432 lines
115 KiB
XML
432 lines
115 KiB
XML
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<mods:title id="3E6BFCD92A9438CBF9916C748DBE20E1">The six-eyed sand spiders of the genus Sicarius (Araneae: Haplogynae: Sicariidae) from the Brazilian Caatinga</mods:title>
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<mods:namePart id="6BCEC01E3C48A6722BA8E60D19CA7687">Magalhães, Ivan L. F.</mods:namePart>
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<mods:namePart id="809E90D79D02279829A0AF4A6313C8C6">Brescovit, Antonio D.</mods:namePart>
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<mods:namePart id="7FD33A6FD7AD9B15012E732136C1C7EC">Santos, Adalberto J.</mods:namePart>
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<mods:title id="16329E2C94B0F45E3203D5285E87E5DC">Zootaxa</mods:title>
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<paragraph id="8B9F36C0FF9DFFC3FF2E7766FD87742D" blockId="3.[151,564,279,305]" box="[151,564,279,305]" pageId="3" pageNumber="104">
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<heading id="D0D781ACFF9DFFC3FF2E7766FD87742D" bold="true" box="[151,564,279,305]" fontSize="11" level="1" pageId="3" pageNumber="104" reason="1">
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<emphasis id="B954EAD2FF9DFFC3FF2E7766FD87742D" bold="true" box="[151,564,279,305]" pageId="3" pageNumber="104">
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Genus
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<taxonomicName id="4C204D43FF9DFFC3FF577766FD87742D" ID-CoL="7GLN" ID-ENA="571535" authority="Walckenaer, 1847" authorityName="Walckenaer" authorityYear="1847" box="[238,564,279,305]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
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<emphasis id="B954EAD2FF9DFFC3FF577766FEE2742D" bold="true" box="[238,337,279,305]" italics="true" pageId="3" pageNumber="104">Sicarius</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FEE07766FD87742D" author="Walckenaer" box="[345,564,279,305]" pageId="3" pageNumber="104" refString="Walckenaer, C. A. (1847) Dernier Supplement. In: Walckenaer, C. A. & P. Gervais (Eds), Histoire Naturelle des Insectes: Apteres. Librairie Encyclopedique de Roret, Paris, pp 365 - 564." type="book chapter" year="1847">Walckenaer, 1847</bibRefCitation>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<subSubSection id="C33A654BFF9DFFC3FF2E7728FDBE773A" pageId="3" pageNumber="104" type="reference_group">
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<paragraph id="8B9F36C0FF9DFFC3FF2E7728FE207491" blockId="3.[151,1436,344,550]" pageId="3" pageNumber="104">
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<taxonomicName id="4C204D43FF9DFFC3FF2E7728FE0B7471" ID-CoL="7GLN" authority="Walckenaer, 1847" authorityName="Walckenaer" authorityYear="1847" box="[151,440,344,366]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
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<emphasis id="B954EAD2FF9DFFC3FF2E7728FF597472" box="[151,234,345,366]" italics="true" pageId="3" pageNumber="104">Sicarius</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FF417729FE0B7471" author="Walckenaer" box="[248,440,344,366]" pageId="3" pageNumber="104" refString="Walckenaer, C. A. (1847) Dernier Supplement. In: Walckenaer, C. A. & P. Gervais (Eds), Histoire Naturelle des Insectes: Apteres. Librairie Encyclopedique de Roret, Paris, pp 365 - 564." type="book chapter" year="1847">Walckenaer, 1847</bibRefCitation>
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</taxonomicName>
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.
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<typeStatus id="549B8862FF9DFFC3FE707728FE487472" box="[457,507,345,366]" pageId="3" pageNumber="104">Type</typeStatus>
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species by monotypy
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<taxonomicName id="4C204D43FF9DFFC3FD457728FB107471" ID-CoL="4X6WN" authority="Walckenaer, 1847" authorityName="Walckenaer" authorityYear="1847" box="[764,1187,344,366]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="species" species="thomisoides">
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<emphasis id="B954EAD2FF9DFFC3FD457728FC657472" box="[764,982,344,366]" italics="true" pageId="3" pageNumber="104">Sicarius thomisoides</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FC5D7729FB107471" author="Walckenaer" box="[996,1187,344,366]" pageId="3" pageNumber="104" refString="Walckenaer, C. A. (1847) Dernier Supplement. In: Walckenaer, C. A. & P. Gervais (Eds), Histoire Naturelle des Insectes: Apteres. Librairie Encyclopedique de Roret, Paris, pp 365 - 564." type="book chapter" year="1847">Walckenaer, 1847</bibRefCitation>
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</taxonomicName>
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, designated by F.O.P.-
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<bibRefCitation id="EFB14B31FF9DFFC3FF7E7707FE237491" author="Cambridge" box="[199,400,374,397]" pageId="3" pageNumber="104" refString="Cambridge, F. O. P. (1899 a) On some spiders from Chili and Peru collected by Dr. Plate of Berlin. Journal of the Linnean Society of London, 27, 15 - 22." type="journal article" year="1899" yearSuffix="a">Cambridge (1899a)</bibRefCitation>
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.
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</paragraph>
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<paragraph id="8B9F36C0FF9DFFC3FF2E77E4FDBE773A" blockId="3.[151,1436,344,550]" pageId="3" pageNumber="104">
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<taxonomicName id="4C204D43FF9DFFC3FF2E77E4FE2E74B6" authority="Nicolet, 1849" authorityName="Nicolet" authorityYear="1849" box="[151,413,405,427]" class="Arachnida" family="Sicariidae" genus="Thomisoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
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<emphasis id="B954EAD2FF9DFFC3FF2E77E4FEA174B7" box="[151,274,405,427]" italics="true" pageId="3" pageNumber="104">Thomisoides</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FEAE77E4FE2E74B6" author="Nicolet" box="[279,413,405,427]" pageId="3" pageNumber="104" refString="Nicolet, A. C. (1849) Aracnidos. In: Gay, C. (Ed), Historia fisica y politica de Chile. Thunot y Cia, Paris, pp. 319 - 543." type="book chapter" year="1849">Nicolet, 1849</bibRefCitation>
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</taxonomicName>
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.
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<typeStatus id="549B8862FF9DFFC3FE1F77E7FE6574B7" box="[422,470,406,427]" pageId="3" pageNumber="104">Type</typeStatus>
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species
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<taxonomicName id="4C204D43FF9DFFC3FD9E77E7FCA674B6" authority="Nicolet, 1849" authorityName="Nicolet" authorityYear="1849" box="[551,789,405,427]" class="Arachnida" family="Sicariidae" genus="Thomisoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="species" species="terrosus">
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<emphasis id="B954EAD2FF9DFFC3FD9E77E7FD3E74B7" box="[551,653,406,427]" italics="true" pageId="3" pageNumber="104">T. terrosus</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FD2B77E4FCA674B6" author="Nicolet" box="[658,789,405,427]" pageId="3" pageNumber="104" refString="Nicolet, A. C. (1849) Aracnidos. In: Gay, C. (Ed), Historia fisica y politica de Chile. Thunot y Cia, Paris, pp. 319 - 543." type="book chapter" year="1849">Nicolet, 1849</bibRefCitation>
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</taxonomicName>
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, designated by
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<bibRefCitation id="EFB14B31FF9DFFC3FC1577E4FB8774B7" author="Simon" box="[940,1076,405,427]" pageId="3" pageNumber="104" refString="Simon, E. (1893) Histoire naturelle des araignees. Librairie Encyclopedique de Roret, Paris, 1, 257 - 488." type="journal article" year="1893">Simon (1893)</bibRefCitation>
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. First synonymized by
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<bibRefCitation id="EFB14B31FF9DFFC3FAAC77E4FA2074B6" author="Simon" box="[1301,1427,405,427]" pageId="3" pageNumber="104" refString="Simon, E. (1893) Histoire naturelle des araignees. Librairie Encyclopedique de Roret, Paris, 1, 257 - 488." type="journal article" year="1893">Simon, 1893</bibRefCitation>
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.
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<emphasis id="B954EAD2FF9DFFC3FF2E77C5FEAC74D6" box="[151,287,436,458]" italics="true" pageId="3" pageNumber="104">Hexophtalma</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FE9077C2FE0474D5" author="Karsch" box="[297,439,435,457]" pageId="3" pageNumber="104" refString="Karsch, F. (1879) Sieben neue Spinnen von Sta Martha. Stettiner Entomologische Zeitung, 40, 106 - 109." type="journal article" year="1879">Karsch, 1879</bibRefCitation>
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. Replacement name for
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<taxonomicName id="4C204D43FF9DFFC3FD0277C4FC0A74D5" authority="Karsch, 1878" authorityName="Karsch" authorityYear="1878" box="[699,953,435,458]" class="Arachnida" family="Sicariidae" genus="Hexomma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
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<emphasis id="B954EAD2FF9DFFC3FD0277C4FC9174D6" box="[699,802,437,458]" italics="true" pageId="3" pageNumber="104">Hexomma</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FC9577C2FC0A74D5" author="Karsch" box="[812,953,435,457]" pageId="3" pageNumber="104" refString="Karsch, F. (1878) Exotisch-araneologisches. Zeitschrift fur die gesammten Naturwissenschaften, 51, 332 - 333, 771 - 826." type="journal article" year="1878">Karsch, 1878</bibRefCitation>
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</taxonomicName>
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, junior homonym of
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<taxonomicName id="4C204D43FF9DFFC3FB2477C4FA2F74D5" authority="Thorell, 1876" authorityName="Thorell" authorityYear="1876" box="[1181,1436,435,458]" class="Arachnida" family="Sicariidae" genus="Hexomma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
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<emphasis id="B954EAD2FF9DFFC3FB2477C4FAB774D6" box="[1181,1284,437,458]" italics="true" pageId="3" pageNumber="104">Hexomma</emphasis>
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<bibRefCitation id="EFB14B31FF9DFFC3FAB777C2FA2F74D5" author="Thorell" box="[1294,1436,435,457]" pageId="3" pageNumber="104" refString="Thorell, T. (1876) Descrizione di alcune specie di Opilioni dell' Arcipelago Malese appartenenti al Museo Civico di Genova. Annali del Museo Civico di Storia Naturale di Genova, Serie 1, 9, 111 - 138." type="journal article" year="1876">Thorell, 1876</bibRefCitation>
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</taxonomicName>
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(
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<taxonomicName id="4C204D43FF9DFFC3FF7777A3FE8574F4" ID-CoL="3Q2" box="[206,310,466,488]" class="Arachnida" higherTaxonomySource="GBIF" kingdom="Animalia" order="Opiliones" pageId="3" pageNumber="104" phylum="Arthropoda" rank="order">Opiliones</taxonomicName>
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||
:
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<taxonomicName id="4C204D43FF9DFFC3FE8677A3FE5F74F4" ID-CoL="G4Q" box="[319,492,466,488]" class="Arachnida" family="Sclerosomatidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Opiliones" pageId="3" pageNumber="104" phylum="Arthropoda" rank="family">Sclerosomatidae</taxonomicName>
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||
).
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||
<typeStatus id="549B8862FF9DFFC3FE4577A2FD9D74F4" box="[508,558,467,488]" pageId="3" pageNumber="104">Type</typeStatus>
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||
species by monotypy
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||
<taxonomicName id="4C204D43FF9DFFC3FCA977A2FBBE74F5" authority="Karsch, 1878" authorityName="Karsch" authorityYear="1878" box="[784,1037,466,489]" class="Arachnida" family="Sicariidae" genus="Hexomma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="species" species="hahnii">
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<emphasis id="B954EAD2FF9DFFC3FCA977A2FCC374F4" box="[784,880,466,488]" italics="true" pageId="3" pageNumber="104">H. hahnii</emphasis>
|
||
(
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FCC477A3FBB474F5" author="Karsch" box="[893,1031,466,489]" pageId="3" pageNumber="104" refString="Karsch, F. (1878) Exotisch-araneologisches. Zeitschrift fur die gesammten Naturwissenschaften, 51, 332 - 333, 771 - 826." type="journal article" year="1878">Karsch, 1878</bibRefCitation>
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||
)
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||
</taxonomicName>
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||
. First synonymized by
|
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<bibRefCitation id="EFB14B31FF9DFFC3FB4577A3FA3374F4" author="Simon" box="[1276,1408,466,488]" pageId="3" pageNumber="104" refString="Simon, E. (1893) Histoire naturelle des araignees. Librairie Encyclopedique de Roret, Paris, 1, 257 - 488." type="journal article" year="1893">Simon, 1893</bibRefCitation>
|
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.
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<emphasis id="B954EAD2FF9DFFC3FF2E7780FEBA771B" box="[151,265,497,519]" italics="true" pageId="3" pageNumber="104">Sicarioides</emphasis>
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||
F.O.P.-Cambridge, 1899.
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<typeStatus id="549B8862FF9DFFC3FD937783FDEF771B" box="[554,604,498,519]" pageId="3" pageNumber="104">Type</typeStatus>
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species by original designation
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<taxonomicName id="4C204D43FF9DFFC3FC747783FB8C771B" ID-CoL="4X6WJ" box="[973,1087,498,519]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="species" species="rugosus">
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<emphasis id="B954EAD2FF9DFFC3FC747783FB8C771B" box="[973,1087,498,519]" italics="true" pageId="3" pageNumber="104">S. rugosus</emphasis>
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</taxonomicName>
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F.O.P.-
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<bibRefCitation id="EFB14B31FF9DFFC3FB377780FAEB771B" author="Cambridge" box="[1166,1368,497,519]" pageId="3" pageNumber="104" refString="Cambridge, F. O. P. (1899 b) Arachnida - Araneida and Opiliones. In: Godman, F. D. C. & Salvin, O. (Eds), Biologia Centrali- Americana, Zoology. R. H. Porter, London, pp. 41 - 88." type="book chapter" year="1899" yearSuffix="b">Cambridge, 1899b</bibRefCitation>
|
||
. First synonymized by
|
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<bibRefCitation id="EFB14B31FF9DFFC3FECD7461FDBA773A" box="[372,521,528,550]" pageId="3" pageNumber="104" refString="Simon, E. (1903) Histoire naturelle des araignees. Librairie Encyclopedique de Roret, Paris, 2, 669 - 1080." type="journal article">Simon, (1903)</bibRefCitation>
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||
.
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||
</paragraph>
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</subSubSection>
|
||
<subSubSection id="C33A654BFF9DFFC3FF2E743AFB3B76DA" pageId="3" pageNumber="104" type="diagnosis">
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||
<paragraph id="8B9F36C0FF9DFFC3FF2E743AFB3B76DA" blockId="3.[151,1436,587,2030]" pageId="3" pageNumber="104">
|
||
<emphasis id="B954EAD2FF9DFFC3FF2E743AFEBB7778" bold="true" box="[151,264,587,612]" pageId="3" pageNumber="104">Diagnosis</emphasis>
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||
.
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<taxonomicName id="4C204D43FF9DFFC3FEAD743CFEDD7778" box="[276,366,589,612]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9DFFC3FEAD743CFEDD7778" box="[276,366,589,612]" italics="true" pageId="3" pageNumber="104">Sicarius</emphasis>
|
||
</taxonomicName>
|
||
species differ from those of
|
||
<taxonomicName id="4C204D43FF9DFFC3FD1D743DFCAF7778" box="[676,796,588,612]" class="Arachnida" family="Sicariidae" genus="Loxosceles" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9DFFC3FD1D743DFCAF7778" box="[676,796,588,612]" italics="true" pageId="3" pageNumber="104">Loxosceles</emphasis>
|
||
</taxonomicName>
|
||
by having the dorsal surface of the carapace, opisthosoma, and legs covered by club-shaped macrosetae and setae with hairlettes to which soil particles adhere (
|
||
<figureCitation id="131B2A45FF9DFFC3FB6E741EFAAD779B" box="[1239,1310,623,647]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 2</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FA91741EFA2B779B" box="[1320,1432,623,647]" captionStart="FIGURES 22 – 27" captionStartId="8.[151,264,1537,1560]" captionTargetBox="[166,1430,183,1517]" captionTargetId="figure@8.[166,1430,183,1518]" captionTargetPageId="8" captionText="FIGURES 22 – 27. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 22, 23, 26, 27; IBSP 162705, 162706; male from São Raimundo Nonato, Piauí: 24, 25; UFMG 11040). 22 — Carapace macrosetae, dorsal view. 23 — Sternum macrosetae, ventral view. 24 — Palpal femur setae, prolateral view. 25 — Palpal cymbium setae, prolateral view. 26 — Second right metatarsus setae, anterolateral view. 27 — Opisthosoma macrosetae, dorsal view. Abbreviations: ChS = chemosensory seta, MS = macroseta, S = seta. Scale bars: 100 μm (27), 50 μm (22, 23), 20 μm (24 – 26)." httpUri="https://zenodo.org/record/248578/files/figure.png" pageId="3" pageNumber="104">22–24, 26</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FF2E74E2FF0677B7" box="[151,181,659,683]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">29</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FF7974E2FEBB77B7" box="[192,264,659,683]" captionStart="FIGURES 33 – 40" captionStartId="10.[151,264,1850,1873]" captionTargetBox="[210,1378,183,1829]" captionTargetId="figure@10.[210,1378,183,1830]" captionTargetPageId="10" captionText="FIGURES 33 – 40. Living Sicarius specimens. 33 — S. tropicus (Mello-Leitão), male from São José dos Cordeiros, Paraíba. This individual was found in an abandoned warehouse where there were powdered lime piles, thus the white coloration. 34 — S. tropicus, female from Campina Grande, Paraíba. 35 — S. cariri n. sp., male from São Raimundo Nonato, Piauí. 36 — S. cariri n. sp., female from Alvorada do Gurguéia, Piauí. 37 — S. diadorim n. sp., male from Itacarambi, Minas Gerais. Photo by T. L. Pezzuti. 38 — S. diadorim n. sp., subadult female from Itacarambi, Minas Gerais. Photo by H. Yamaguti. 39 — S. ornatus n. sp., male from Itabaiana, Sergipe. 40 — S. ornatus n. sp., female from Ituaçu, Bahia." httpUri="https://zenodo.org/record/248581/files/figure.png" pageId="3" pageNumber="104">33–40</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FEAD74E5FE5877B7" author="Duncan" box="[276,491,659,683]" pageId="3" pageNumber="104" refString="Duncan, R. P., Autumn, K. & Binford, G. J. (2007) Convergent setal morphology in sand-covering spiders suggests a design principle for particle capture. Proceedings of the Royal Society B: Biological Sciences, 274, 3049 - 3057. http: // dx. doi. org / 10.1098 / rspb. 2007.1039" type="journal article" year="2007">
|
||
Duncan
|
||
<emphasis id="B954EAD2FF9DFFC3FEC874E5FE1B77B7" box="[369,424,659,683]" italics="true" pageId="3" pageNumber="104">et al.</emphasis>
|
||
2007
|
||
</bibRefCitation>
|
||
); endites without serrula; a stridulatory apparatus composed by a line of several picks (usually three to seven) in the prolateral face of the palpal femur (
|
||
<figureCitation id="131B2A45FF9DFFC3FCD374C7FC5477D2" box="[874,999,694,718]" captionStart="FIGURES 12 – 17" captionStartId="6.[151,264,1571,1594]" captionTargetBox="[151,1435,193,1549]" captionTargetId="figure@6.[151,1436,193,1550]" captionTargetPageId="6" captionText="FIGURES 12 – 17. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 12 – 15, 17; IBSP 162705, 162706) and Sicarius tropicus (Mello-Leitão) (male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12 — Chelicerae, retromarginal view. 13 — Right palp, prolateral view. Arrow indicates femoral picks. 14 — Palpal femoral picks, prolateral view. 15 — Proximal palpal femoral pick, prolateral view. 16 — Left palpal femoral picks, prolateral view. 17 — Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL = apex of the cheliceral lamina, PL = promarginal lobe of the chelicerae, VO = venom outlet. Scale bars: 500 μm (12), 200 μm (13), 100 μm (14, 16, 17), 20 μm (15)." httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="3" pageNumber="104">Figs 13–16</figureCitation>
|
||
) and a rugose retrolateral surface in the chelicerae, with closely spaced ridges (
|
||
<figureCitation id="131B2A45FF9DFFC3FDFA74A8FD1677ED" box="[579,677,729,753]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 3–4</figureCitation>
|
||
) (
|
||
<taxonomicName id="4C204D43FF9DFFC3FD0474ABFC8677EE" box="[701,821,730,754]" class="Arachnida" family="Sicariidae" genus="Loxosceles" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9DFFC3FD0474ABFC8677EE" box="[701,821,730,754]" italics="true" pageId="3" pageNumber="104">Loxosceles</emphasis>
|
||
</taxonomicName>
|
||
species usually have only one minute pick in the palpal femur, and the ridges in the chelicerae are shallow and more widely spaced;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FC4F748CFA957609" author="Labarque" box="[1014,1318,765,789]" pageId="3" pageNumber="104" refString="Labarque, F. M. & Ramirez, M. J. (2012) The placement of the spider genus Periegops and the phylogeny of Scytodoidea (Araneae: Araneomorphae). Zootaxa, 3312, 1 - 44." type="journal article" year="2012">Labarque & Ramírez 2012</bibRefCitation>
|
||
); a greatly elongated distal tooth in the leg tarsal claws (
|
||
<figureCitation id="131B2A45FF9DFFC3FD237551FD5E7624" box="[666,749,800,824]" captionStart="FIGURES 12 – 17" captionStartId="6.[151,264,1571,1594]" captionTargetBox="[151,1435,193,1549]" captionTargetId="figure@6.[151,1436,193,1550]" captionTargetPageId="6" captionText="FIGURES 12 – 17. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 12 – 15, 17; IBSP 162705, 162706) and Sicarius tropicus (Mello-Leitão) (male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12 — Chelicerae, retromarginal view. 13 — Right palp, prolateral view. Arrow indicates femoral picks. 14 — Palpal femoral picks, prolateral view. 15 — Proximal palpal femoral pick, prolateral view. 16 — Left palpal femoral picks, prolateral view. 17 — Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL = apex of the cheliceral lamina, PL = promarginal lobe of the chelicerae, VO = venom outlet. Scale bars: 500 μm (12), 200 μm (13), 100 μm (14, 16, 17), 20 μm (15)." httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="3" pageNumber="104">Fig. 17</figureCitation>
|
||
); spinnerets that are covered by dense tufts of setae, without colulus (
|
||
<figureCitation id="131B2A45FF9DFFC3FF4D7535FEC77640" box="[244,372,836,860]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">Figs 31–32</figureCitation>
|
||
); posterior respiratory system without lateral trachea (
|
||
<figureCitation id="131B2A45FF9DFFC3FC7B7535FBB67640" box="[962,1029,836,860]" captionStart="FIGURES 8 – 11" captionStartId="5.[151,264,1116,1139]" captionTargetBox="[151,1435,193,1095]" captionTargetId="figure@5.[151,1436,193,1095]" captionTargetPageId="5" captionText="FIGURES 8 – 11. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8 — Opisthosoma, dorsal view. 9 — Female genitalia and tracheal system, cleared, dorsal view. 10 — Spinnerets, ventral view. 11 — Hairs from the tuft anterior to spinnerets. Abbreviations: BL = booklungs, Em = spermathecae, Ht = hair tuft, M = dorsal membrane, Sp = spinnerets, Tr = trachea. Scale bars: 1000 μm (8), 200 μm (9), 500 μm (10), 20 μm (11)." httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="3" pageNumber="104">Fig. 9</figureCitation>
|
||
); and presence, in adult females, of a dense tuft of plumose setae just anterior to the spinnerets (
|
||
<figureCitation id="131B2A45FF9DFFC3FC9D7516FC117663" box="[804,930,871,895]" captionStart="FIGURES 8 – 11" captionStartId="5.[151,264,1116,1139]" captionTargetBox="[151,1435,193,1095]" captionTargetId="figure@5.[151,1436,193,1095]" captionTargetPageId="5" captionText="FIGURES 8 – 11. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8 — Opisthosoma, dorsal view. 9 — Female genitalia and tracheal system, cleared, dorsal view. 10 — Spinnerets, ventral view. 11 — Hairs from the tuft anterior to spinnerets. Abbreviations: BL = booklungs, Em = spermathecae, Ht = hair tuft, M = dorsal membrane, Sp = spinnerets, Tr = trachea. Scale bars: 1000 μm (8), 200 μm (9), 500 μm (10), 20 μm (11)." httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="3" pageNumber="104">Figs 10–11</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FC097516FC7D7663" box="[944,974,871,895]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">31</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FC627516FB1B7663" author="Levi" box="[987,1192,871,895]" pageId="3" pageNumber="104" refString="Levi, H. W. & Levi, L. R. (1969) Eggcase construction and further observations on the sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 76, 29 - 40. http: // dx. doi. org / 10.1155 / 1969 / 96480" type="journal article" year="1969">Levi & Levi 1969</bibRefCitation>
|
||
, figs 7–8).
|
||
<taxonomicName id="4C204D43FF9DFFC3FA917519FA317663" box="[1320,1410,872,895]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9DFFC3FA917519FA317663" box="[1320,1410,872,895]" italics="true" pageId="3" pageNumber="104">Sicarius</emphasis>
|
||
</taxonomicName>
|
||
is also characteristic by their distinct behavior of burying themselves in fine sediment (
|
||
<figureCitation id="131B2A45FF9DFFC3FB8E75FAFB3A76BF" box="[1079,1161,907,931]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="3" pageNumber="104">Fig. 41</figureCitation>
|
||
; Reinskind 1966) and by the unique shape of their eggsacs (
|
||
<figureCitation id="131B2A45FF9DFFC3FDB675DFFD3E76DA" box="[527,653,942,966]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="3" pageNumber="104">Figs 45, 46</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FD2175DFFCD376DA" author="Levi" box="[664,864,942,966]" pageId="3" pageNumber="104" refString="Levi, H. W. & Levi, L. R. (1969) Eggcase construction and further observations on the sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 76, 29 - 40. http: // dx. doi. org / 10.1155 / 1969 / 96480" type="journal article" year="1969">Levi & Levi 1969</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FCD275DFFBCF76DA" author="Aguilar" box="[875,1148,942,966]" pageId="3" pageNumber="104" refString="Aguilar, P. G. & Mendez, M. A. (1971) La " arana chata del nido de arena ", Sicarius peruensis (Keyserling, 1880). I. Caracteristicas morfologicas y ecologicas. Revista Peruana de Entomologia, 14, 143 - 156." type="journal article" year="1971">Aguilar & Méndez 1971</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33A654BFF9DFFC7FF7E75A0FDB174E8" lastPageId="7" lastPageNumber="108" pageId="3" pageNumber="104" type="description">
|
||
<paragraph id="8B9F36C0FF9DFFC4FF7E75A0FA9074D7" blockId="3.[151,1436,587,2030]" lastBlockId="4.[151,1436,151,459]" lastPageId="4" lastPageNumber="105" pageId="3" pageNumber="104">
|
||
<emphasis id="B954EAD2FF9DFFC3FF7E75A0FCB876F6" bold="true" box="[199,779,977,1002]" pageId="3" pageNumber="104">Description (only for Brazilian Caatinga species)</emphasis>
|
||
. Carapace wider than long, with narrower cephalic region (
|
||
<figureCitation id="131B2A45FF9DFFC3FF267584FF517111" box="[159,226,1013,1037]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Fig. 2</figureCitation>
|
||
). Carapace with two central groups of club-shaped macrosetae in its median region, surrounded by ten smaller groups of macrosetae (
|
||
<figureCitation id="131B2A45FF9DFFC3FE347268FE67712D" box="[397,468,1049,1073]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 2</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FE677268FE4E712D" box="[478,509,1049,1073]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">29</figureCitation>
|
||
). Club-shaped macrosetae present in the lateral borders of the thoracic region (
|
||
<figureCitation id="131B2A45FF9DFFC3FAE87268FA24712D" box="[1361,1431,1049,1073]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 2</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FF2E724DFF057148" box="[151,182,1084,1108]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">29</figureCitation>
|
||
). Frontal face of the chelicerae densely covered by club-shaped macrosetae (
|
||
<figureCitation id="131B2A45FF9DFFC3FC47724DFBC87148" box="[1022,1147,1084,1108]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 3, 5–6</figureCitation>
|
||
) with a sculptured surface (
|
||
<figureCitation id="131B2A45FF9DFFC3FF26722EFF51716B" box="[159,226,1119,1143]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Fig. 7</figureCitation>
|
||
). Retrolateral face of the chelicerae with a ridged cuticle, which is part of the stridulatory apparatus (
|
||
<figureCitation id="131B2A45FF9DFFC3FA95722EFA3C716B" box="[1324,1423,1119,1143]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 3–4</figureCitation>
|
||
). Chelicerae without cheliceral teeth, with a large, white, rounded promarginal lobe and an acute cheliceral lamina (
|
||
<figureCitation id="131B2A45FF9DFFC3FAD672F2FF0671A3" captionStart="FIGURES 12 – 17" captionStartId="6.[151,264,1571,1594]" captionTargetBox="[151,1435,193,1549]" captionTargetId="figure@6.[151,1436,193,1550]" captionTargetPageId="6" captionText="FIGURES 12 – 17. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 12 – 15, 17; IBSP 162705, 162706) and Sicarius tropicus (Mello-Leitão) (male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12 — Chelicerae, retromarginal view. 13 — Right palp, prolateral view. Arrow indicates femoral picks. 14 — Palpal femoral picks, prolateral view. 15 — Proximal palpal femoral pick, prolateral view. 16 — Left palpal femoral picks, prolateral view. 17 — Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL = apex of the cheliceral lamina, PL = promarginal lobe of the chelicerae, VO = venom outlet. Scale bars: 500 μm (12), 200 μm (13), 100 μm (14, 16, 17), 20 μm (15)." httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="3" pageNumber="104">Fig. 12</figureCitation>
|
||
). Prolateral face of the palpal femur with three to seven short, robust and pyramidal picks (
|
||
<figureCitation id="131B2A45FF9DFFC3FB1372D6FA9971A3" box="[1194,1322,1191,1215]" captionStart="FIGURES 12 – 17" captionStartId="6.[151,264,1571,1594]" captionTargetBox="[151,1435,193,1549]" captionTargetId="figure@6.[151,1436,193,1550]" captionTargetPageId="6" captionText="FIGURES 12 – 17. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 12 – 15, 17; IBSP 162705, 162706) and Sicarius tropicus (Mello-Leitão) (male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12 — Chelicerae, retromarginal view. 13 — Right palp, prolateral view. Arrow indicates femoral picks. 14 — Palpal femoral picks, prolateral view. 15 — Proximal palpal femoral pick, prolateral view. 16 — Left palpal femoral picks, prolateral view. 17 — Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL = apex of the cheliceral lamina, PL = promarginal lobe of the chelicerae, VO = venom outlet. Scale bars: 500 μm (12), 200 μm (13), 100 μm (14, 16, 17), 20 μm (15)." httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="3" pageNumber="104">Figs 13–16</figureCitation>
|
||
). Six eyes grouped in two lateral pairs and a median pair. Lateral eyes sitting on small protuberances covered by club-shaped macrosetae (
|
||
<figureCitation id="131B2A45FF9DFFC3FE9D729FFED9701A" box="[292,362,1262,1286]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Fig. 2</figureCitation>
|
||
). Labium longer than wide, distally pointed and partially fused to sternum (
|
||
<figureCitation id="131B2A45FF9DFFC3FB75729FFA80701A" box="[1228,1331,1262,1286]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 5–6</figureCitation>
|
||
). Endites longer than labium and distally bent, almost touching each other anteriorly to the labium (
|
||
<figureCitation id="131B2A45FF9DFFC3FB047360FA957035" box="[1213,1318,1297,1321]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Figs 5–6</figureCitation>
|
||
). Sternum cordiform, with a posterior notch (
|
||
<figureCitation id="131B2A45FF9DFFC3FDB67345FDE27050" box="[527,593,1332,1356]" captionStart="FIGURES 2 – 7" captionStartId="4.[151,264,1872,1895]" captionTargetBox="[151,1435,500,1856]" captionTargetId="figure@4.[151,1436,500,1857]" captionTargetPageId="4" captionText="FIGURES 2 – 7. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2 — Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3 — Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4 — Stridulatory file in the chelicerae, lateral view. 5 — Prosoma, ventral view. 6 — Mouth region, ventral view. 7 — Chelicerae macrosetae, ventral view. Abbreviations: Ch = chelicerae, E = eye, Ed = endite, L = labium, SF = stridulatory file, St = sternum. Scale bars: 2000 μm (2, 5), 1000 μm (6), 500 μm (3), 50 μm (4, 7)." httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="3" pageNumber="104">Fig. 5</figureCitation>
|
||
). Anterior face of the leg femora with 1-6 groups of black setae (
|
||
<figureCitation id="131B2A45FF9DFFC3FAA07345FA247050" box="[1305,1431,1332,1356]" captionStart="FIGURES 18 – 21" captionStartId="7.[151,264,1468,1491]" captionTargetBox="[151,1435,543,1447]" captionTargetId="figure@7.[151,1436,543,1447]" captionTargetPageId="7" captionText="FIGURES 18 – 21. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 18, 19, 21; IBSP 162705, 162706) and S. ornatus n. sp. (male from Milagres, Bahia: 20; IBSP 161100). 18. Second right femur, prolateral view. Arrows indicate groups of black setae. 19. Same, dorsolateral view. Arrows indicate groups of black setae (top) and anterodorsal line of exposed cuticle (bottom). 20. Second right femur, group of black setae, prolateral view. Arrow indicates a chemosensory seta. 21 - Second right tarsus, trichobotrial base, anterolateral view. Scale bars: 1000 μm (18), 500 μm (19), 100 μm (20), 10 μm (21)." httpUri="https://zenodo.org/record/248577/files/figure.png" pageId="3" pageNumber="104">Figs 18–20</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FF2E7329FF06706C" box="[151,181,1368,1392]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">30</figureCitation>
|
||
; often reduced in
|
||
<taxonomicName id="4C204D43FF9DFFC3FEC27328FE43706C" box="[379,496,1369,1392]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="species" species="tropicus">
|
||
<emphasis id="B954EAD2FF9DFFC3FEC27328FE43706C" box="[379,496,1369,1392]" italics="true" pageId="3" pageNumber="104">S. tropicus</emphasis>
|
||
</taxonomicName>
|
||
); these setae seem to lack hairlettes and the number and disposition of their groups is variable both within and among species. These groups of black setae are often associated with chemosensory setae (
|
||
<figureCitation id="131B2A45FF9DFFC3FF2673EEFF4770AB" box="[159,244,1439,1463]" captionStart="FIGURES 18 – 21" captionStartId="7.[151,264,1468,1491]" captionTargetBox="[151,1435,543,1447]" captionTargetId="figure@7.[151,1436,543,1447]" captionTargetPageId="7" captionText="FIGURES 18 – 21. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 18, 19, 21; IBSP 162705, 162706) and S. ornatus n. sp. (male from Milagres, Bahia: 20; IBSP 161100). 18. Second right femur, prolateral view. Arrows indicate groups of black setae. 19. Same, dorsolateral view. Arrows indicate groups of black setae (top) and anterodorsal line of exposed cuticle (bottom). 20. Second right femur, group of black setae, prolateral view. Arrow indicates a chemosensory seta. 21 - Second right tarsus, trichobotrial base, anterolateral view. Scale bars: 1000 μm (18), 500 μm (19), 100 μm (20), 10 μm (21)." httpUri="https://zenodo.org/record/248577/files/figure.png" pageId="3" pageNumber="104">Fig. 20</figureCitation>
|
||
, arrow). Femora with four dorsal rows of club-shaped macrosetae and a thin longitudinal line of totally exposed cuticle (
|
||
<figureCitation id="131B2A45FF9DFFC3FEE873B3FE1070C6" box="[337,419,1474,1498]" captionStart="FIGURES 18 – 21" captionStartId="7.[151,264,1468,1491]" captionTargetBox="[151,1435,543,1447]" captionTargetId="figure@7.[151,1436,543,1447]" captionTargetPageId="7" captionText="FIGURES 18 – 21. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 18, 19, 21; IBSP 162705, 162706) and S. ornatus n. sp. (male from Milagres, Bahia: 20; IBSP 161100). 18. Second right femur, prolateral view. Arrows indicate groups of black setae. 19. Same, dorsolateral view. Arrows indicate groups of black setae (top) and anterodorsal line of exposed cuticle (bottom). 20. Second right femur, group of black setae, prolateral view. Arrow indicates a chemosensory seta. 21 - Second right tarsus, trichobotrial base, anterolateral view. Scale bars: 1000 μm (18), 500 μm (19), 100 μm (20), 10 μm (21)." httpUri="https://zenodo.org/record/248577/files/figure.png" pageId="3" pageNumber="104">Fig. 19</figureCitation>
|
||
). Tibiae with eight rows of pointed macrosetae, two dorsal, four lateral and two ventral; the two ventral ones have large macrosetae interposed with small macrosetae as in
|
||
<taxonomicName id="4C204D43FF9DFFC3FBF87397FB0870E2" box="[1089,1211,1510,1534]" class="Arachnida" family="Mimetidae" kingdom="Animalia" order="Araneae" pageId="3" pageNumber="104" phylum="Arthropoda" rank="family">Mimetidae</taxonomicName>
|
||
. Trichobotriae with rounded, broad, shallow sockets (
|
||
<figureCitation id="131B2A45FF9DFFC3FDBF7078FDE4733D" box="[518,599,1545,1569]" captionStart="FIGURES 18 – 21" captionStartId="7.[151,264,1468,1491]" captionTargetBox="[151,1435,543,1447]" captionTargetId="figure@7.[151,1436,543,1447]" captionTargetPageId="7" captionText="FIGURES 18 – 21. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 18, 19, 21; IBSP 162705, 162706) and S. ornatus n. sp. (male from Milagres, Bahia: 20; IBSP 161100). 18. Second right femur, prolateral view. Arrows indicate groups of black setae. 19. Same, dorsolateral view. Arrows indicate groups of black setae (top) and anterodorsal line of exposed cuticle (bottom). 20. Second right femur, group of black setae, prolateral view. Arrow indicates a chemosensory seta. 21 - Second right tarsus, trichobotrial base, anterolateral view. Scale bars: 1000 μm (18), 500 μm (19), 100 μm (20), 10 μm (21)." httpUri="https://zenodo.org/record/248577/files/figure.png" pageId="3" pageNumber="104">Fig. 21</figureCitation>
|
||
). Tarsal claws with distal tooth distinctively longer than the others (
|
||
<figureCitation id="131B2A45FF9DFFC3FA847078FA3D733D" box="[1341,1422,1545,1569]" captionStart="FIGURES 12 – 17" captionStartId="6.[151,264,1571,1594]" captionTargetBox="[151,1435,193,1549]" captionTargetId="figure@6.[151,1436,193,1550]" captionTargetPageId="6" captionText="FIGURES 12 – 17. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 12 – 15, 17; IBSP 162705, 162706) and Sicarius tropicus (Mello-Leitão) (male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12 — Chelicerae, retromarginal view. 13 — Right palp, prolateral view. Arrow indicates femoral picks. 14 — Palpal femoral picks, prolateral view. 15 — Proximal palpal femoral pick, prolateral view. 16 — Left palpal femoral picks, prolateral view. 17 — Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL = apex of the cheliceral lamina, PL = promarginal lobe of the chelicerae, VO = venom outlet. Scale bars: 500 μm (12), 200 μm (13), 100 μm (14, 16, 17), 20 μm (15)." httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="3" pageNumber="104">Fig. 17</figureCitation>
|
||
). Lateral and dorsal faces of the opisthosoma covered by club-shaped macrosetae (
|
||
<figureCitation id="131B2A45FF9DFFC3FBA7705CFBD57359" box="[1054,1126,1581,1605]" captionStart="FIGURES 8 – 11" captionStartId="5.[151,264,1116,1139]" captionTargetBox="[151,1435,193,1095]" captionTargetId="figure@5.[151,1436,193,1095]" captionTargetPageId="5" captionText="FIGURES 8 – 11. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8 — Opisthosoma, dorsal view. 9 — Female genitalia and tracheal system, cleared, dorsal view. 10 — Spinnerets, ventral view. 11 — Hairs from the tuft anterior to spinnerets. Abbreviations: BL = booklungs, Em = spermathecae, Ht = hair tuft, M = dorsal membrane, Sp = spinnerets, Tr = trachea. Scale bars: 1000 μm (8), 200 μm (9), 500 μm (10), 20 μm (11)." httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="3" pageNumber="104">Figs 8</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FBCD705CFB227359" box="[1140,1169,1581,1605]" captionStart="FIGURES 22 – 27" captionStartId="8.[151,264,1537,1560]" captionTargetBox="[166,1430,183,1517]" captionTargetId="figure@8.[166,1430,183,1518]" captionTargetPageId="8" captionText="FIGURES 22 – 27. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 22, 23, 26, 27; IBSP 162705, 162706; male from São Raimundo Nonato, Piauí: 24, 25; UFMG 11040). 22 — Carapace macrosetae, dorsal view. 23 — Sternum macrosetae, ventral view. 24 — Palpal femur setae, prolateral view. 25 — Palpal cymbium setae, prolateral view. 26 — Second right metatarsus setae, anterolateral view. 27 — Opisthosoma macrosetae, dorsal view. Abbreviations: ChS = chemosensory seta, MS = macroseta, S = seta. Scale bars: 100 μm (27), 50 μm (22, 23), 20 μm (24 – 26)." httpUri="https://zenodo.org/record/248578/files/figure.png" pageId="3" pageNumber="104">27</figureCitation>
|
||
) arranged in 4–8 paired groups of 3–20 macrosetae. Adult females with a dense group of plumose setae anterior to the spinnerets (
|
||
<figureCitation id="131B2A45FF9DFFC3FAA27021FA247374" box="[1307,1431,1616,1640]" captionStart="FIGURES 8 – 11" captionStartId="5.[151,264,1116,1139]" captionTargetBox="[151,1435,193,1095]" captionTargetId="figure@5.[151,1436,193,1095]" captionTargetPageId="5" captionText="FIGURES 8 – 11. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8 — Opisthosoma, dorsal view. 9 — Female genitalia and tracheal system, cleared, dorsal view. 10 — Spinnerets, ventral view. 11 — Hairs from the tuft anterior to spinnerets. Abbreviations: BL = booklungs, Em = spermathecae, Ht = hair tuft, M = dorsal membrane, Sp = spinnerets, Tr = trachea. Scale bars: 1000 μm (8), 200 μm (9), 500 μm (10), 20 μm (11)." httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="3" pageNumber="104">Figs 10–11</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FF2E7005FF067390" box="[151,181,1652,1676]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">31</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF9DFFC3FF7A7005FE237390" author="Levi" box="[195,400,1652,1676]" pageId="3" pageNumber="104" refString="Levi, H. W. & Levi, L. R. (1969) Eggcase construction and further observations on the sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 76, 29 - 40. http: // dx. doi. org / 10.1155 / 1969 / 96480" type="journal article" year="1969">Levi & Levi 1969</bibRefCitation>
|
||
, figs 7–8). Colulus absent (
|
||
<figureCitation id="131B2A45FF9DFFC3FD7F7005FCA97390" box="[710,794,1652,1676]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">Fig. 32</figureCitation>
|
||
). Spinnerets short and covered by dense groups of black, clavate setae. Anterior lateral spinnerets with piriform gland spigots, posterior median spinnerets and posterior lateral spinnerets with aciniform gland spigots (
|
||
<figureCitation id="131B2A45FF9DFFC3FDEB70CAFD1773CF" box="[594,676,1723,1747]" captionStart="FIGURES 29 – 32" captionStartId="9.[151,264,1760,1783]" captionTargetBox="[151,1435,836,1738]" captionTargetId="figure@9.[151,1436,836,1738]" captionTargetPageId="9" captionText="FIGURES 29 – 32. Sicarius ornatus n. sp. (female from Milagres, Bahia: 29 – 31; CHNUFPI 250) and S. tropicus (female from Cabaceiras, Paraíba: 32; IBSP 40985). 29. Carapace, dorsal. Notice the reddish brown coloration of the carapace in the portion that is not covered by soil particles. Arrows indicate groups of macrosetae. 30. First and second femora, anterodorsal. Notice groups of black setae. 31. Opisthosoma, ventral view. Notice the hair tuft located anteriorly to the spinnerets. 32. Spinnerets, ventral view. Setae from the right side were removed to show details of the spinnerets and the spigots. Abbreviations: Ac = aciniform gland spigot, ALS = anterior lateral spinneret, AT = anal tubercle, BS = black setae, Ht = hair tuft, Pi = piriform gland spigot, PLS = posterior lateral spinneret, PMS = posterior median spinneret." httpUri="https://zenodo.org/record/248580/files/figure.png" pageId="3" pageNumber="104">Fig. 32</figureCitation>
|
||
). Setae from the carapace, abdomen and appendages with hairlettes to which soil particles adhere (
|
||
<figureCitation id="131B2A45FF9DFFC3FE7770AFFD1073EA" box="[462,675,1758,1782]" captionStart="FIGURES 22 – 27" captionStartId="8.[151,264,1537,1560]" captionTargetBox="[166,1430,183,1517]" captionTargetId="figure@8.[166,1430,183,1518]" captionTargetPageId="8" captionText="FIGURES 22 – 27. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 22, 23, 26, 27; IBSP 162705, 162706; male from São Raimundo Nonato, Piauí: 24, 25; UFMG 11040). 22 — Carapace macrosetae, dorsal view. 23 — Sternum macrosetae, ventral view. 24 — Palpal femur setae, prolateral view. 25 — Palpal cymbium setae, prolateral view. 26 — Second right metatarsus setae, anterolateral view. 27 — Opisthosoma macrosetae, dorsal view. Abbreviations: ChS = chemosensory seta, MS = macroseta, S = seta. Scale bars: 100 μm (27), 50 μm (22, 23), 20 μm (24 – 26)." httpUri="https://zenodo.org/record/248578/files/figure.png" pageId="3" pageNumber="104">Figs 22–24, 26–27</figureCitation>
|
||
). Carapace and chelicerae reddish-brown; sternum brownish-orange; endites brown; labium brown, with an anterior white border; legs yellowish orange; opisthosoma brownish-grey, lightly colored. All species very similar in external morphology (
|
||
<figureCitation id="131B2A45FF9DFFC3FCDA7154FC577221" box="[867,996,1829,1853]" captionStart="FIGURES 33 – 40" captionStartId="10.[151,264,1850,1873]" captionTargetBox="[210,1378,183,1829]" captionTargetId="figure@10.[210,1378,183,1830]" captionTargetPageId="10" captionText="FIGURES 33 – 40. Living Sicarius specimens. 33 — S. tropicus (Mello-Leitão), male from São José dos Cordeiros, Paraíba. This individual was found in an abandoned warehouse where there were powdered lime piles, thus the white coloration. 34 — S. tropicus, female from Campina Grande, Paraíba. 35 — S. cariri n. sp., male from São Raimundo Nonato, Piauí. 36 — S. cariri n. sp., female from Alvorada do Gurguéia, Piauí. 37 — S. diadorim n. sp., male from Itacarambi, Minas Gerais. Photo by T. L. Pezzuti. 38 — S. diadorim n. sp., subadult female from Itacarambi, Minas Gerais. Photo by H. Yamaguti. 39 — S. ornatus n. sp., male from Itabaiana, Sergipe. 40 — S. ornatus n. sp., female from Ituaçu, Bahia." httpUri="https://zenodo.org/record/248581/files/figure.png" pageId="3" pageNumber="104">Figs 33–40</figureCitation>
|
||
). Very subtle sexual dimorphism: males have legs approximately 30% longer and smaller opisthosomas, but are very similar in body length to females. The number of picks in the palpal femur does not seem to vary between sexes of the same species. Male palpal cymbium cup-shaped, sometimes slightly anteriorly projected (
|
||
<figureCitation id="131B2A45FF9DFFC3FCBD71E1FCD172B4" box="[772,866,1936,1960]" captionStart="FIGURES 48 – 51" captionStartId="12.[151,264,1954,1977]" captionTargetBox="[161,1416,1079,1934]" captionTargetId="figure@12.[151,1436,1068,1960]" captionTargetPageId="12" captionText="FIGURES 48 – 51. Sicarius tropicus (Mello-Leitão) males. 48. Cabaceiras, Paraíba (IBSP 40985), left palp, prolateral. 49. Same, bulb. 50. Araruna, Paraíba (IBSP 41374), left bulb, prolateral. 51. Vale do Catimbau, Buíque, Pernambuco (IBSP 3612), left bulb, prolateral. Scale bars: 100 μm (except 48, 1000 μm)." httpUri="https://zenodo.org/record/248583/files/figure.png" pageId="3" pageNumber="104">Figs 48</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FCCC71E1FC2072B4" box="[885,915,1936,1960]" captionStart="FIGURES 64 – 71" captionStartId="15.[151,264,1857,1880]" captionTargetBox="[177,1421,656,1818]" captionTargetId="figure@15.[151,1436,648,1836]" captionTargetPageId="15" captionText="FIGURES 64 – 71. Sicarius cariri n. sp. males. 64. Holotype from São Raimundo Nonato, Piauí (IBSP 162345), left palp, prolateral. 65. Same, bulb. 66. Guaribas, Piauí, Brasil (IBSP 56025), left bulb, apical. 67. São Domingos, Goiás (MNRJ 6250), left bulb, prolateral. 68. Riacho Seco, Bahia (IBSP 161063), left bulb, prolateral. 69. Caruaru, Pernambuco (IBSP 161053), left bulb, prolateral. 70. Lençóis, Bahia (MNRJ 6264), left palp, prolateral. 71. Xique-Xique, Bahia (IBSP 162285), left bulb, prolateral. Scale bars: 100 μm (except 64, 1000 μm)." httpUri="https://zenodo.org/record/248585/files/figure.png" pageId="3" pageNumber="104">64</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FC1E71E1FC7672B4" box="[935,965,1936,1960]" captionStart="FIGURES 88 – 91" captionStartId="18.[151,264,1302,1325]" captionTargetBox="[151,1413,188,1260]" captionTargetId="figure@18.[151,1436,175,1282]" captionTargetPageId="18" captionText="FIGURES 88 – 91. Sicarius diadorim n. sp. males. 88. Holotype from Itacarambi, Minas Gerais (UFMG 10789), left palp, prolateral. 89. Same, bulb. 90. Palmas do Monte Alto, Bahia (IBSP 161080), left bulb, prolateral. 91. Itaobim, Minas Gerais (UFMG 10157), left bulb, prolateral. Scale bars: 100 μm (except 88, 1000 μm)." httpUri="https://zenodo.org/record/248588/files/figure.png" pageId="3" pageNumber="104">88</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FC6171E1FBB772B4" box="[984,1028,1936,1960]" captionStart="FIGURES 104 – 109" captionStartId="20.[151,264,1445,1468]" captionTargetBox="[172,1419,186,1390]" captionTargetId="figure@20.[151,1436,177,1424]" captionTargetPageId="20" captionText="FIGURES 104 – 109. Sicarius ornatus n. sp. males. 104. Holotype from Milagres, Bahia (IBSP 161102), left palp, prolateral. 105. Same, bulb. 106. Itabaiana, Sergipe (IBSP 162807), left bulb, prolateral. 107. Male from the same locality, left bulb, prolateral. 108. Ituaçu, Bahia (IBSP 162249), left bulb, prolateral. 109. Andaraí, Bahia (MNRJ 6355), left bulb, prolateral. Scale bars: 100 μm (except 102, 1000 μm)." httpUri="https://zenodo.org/record/248590/files/figure.png" pageId="3" pageNumber="104">104</figureCitation>
|
||
), dorsally covered by club-shaped macrosetae (
|
||
<figureCitation id="131B2A45FF9DFFC3FE9B71C2FD9E72D7" box="[290,557,1971,1995]" captionStart="FIGURES 124 – 131" captionStartId="24.[151,264,1886,1909]" captionTargetBox="[190,1394,181,1870]" captionTargetId="figure@24.[190,1395,181,1870]" captionTargetPageId="24" captionText="FIGURES 124 – 131. Scanning electron microscopy images of Sicarius male palps. 124. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162770), left palp, prolateral. 125. Same, bulb. 126. Sicarius cariri n. sp. from São Raimundo Nonato, Piauí (UFMG 11040), left palp, prolateral. 127. Same, bulb. 128. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (UFMG 11602), left palp, prolateral. 129. Same, bulb. 130. Sicarius ornatus n. sp. from Milagres, Bahia (IBSP 161100), left palp, prolateral. 131. Same, bulb. Scale bars: 500 μm (122, 124, 126, 128), 200 μm (129), 100 μm (123, 125, 127)." httpUri="https://zenodo.org/record/248592/files/figure.png" pageId="3" pageNumber="104">Figs 124, 126, 128, 130</figureCitation>
|
||
) and with feathery setae near the insertion of the bulb (
|
||
<figureCitation id="131B2A45FF9DFFC3FB2071C2FB5C72D7" box="[1177,1263,1971,1995]" captionStart="FIGURES 22 – 27" captionStartId="8.[151,264,1537,1560]" captionTargetBox="[166,1430,183,1517]" captionTargetId="figure@8.[166,1430,183,1518]" captionTargetPageId="8" captionText="FIGURES 22 – 27. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí: 22, 23, 26, 27; IBSP 162705, 162706; male from São Raimundo Nonato, Piauí: 24, 25; UFMG 11040). 22 — Carapace macrosetae, dorsal view. 23 — Sternum macrosetae, ventral view. 24 — Palpal femur setae, prolateral view. 25 — Palpal cymbium setae, prolateral view. 26 — Second right metatarsus setae, anterolateral view. 27 — Opisthosoma macrosetae, dorsal view. Abbreviations: ChS = chemosensory seta, MS = macroseta, S = seta. Scale bars: 100 μm (27), 50 μm (22, 23), 20 μm (24 – 26)." httpUri="https://zenodo.org/record/248578/files/figure.png" pageId="3" pageNumber="104">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9DFFC3FB4571C2FF7072F2" captionStart="FIGURES 124 – 131" captionStartId="24.[151,264,1886,1909]" captionTargetBox="[190,1394,181,1870]" captionTargetId="figure@24.[190,1395,181,1870]" captionTargetPageId="24" captionText="FIGURES 124 – 131. Scanning electron microscopy images of Sicarius male palps. 124. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162770), left palp, prolateral. 125. Same, bulb. 126. Sicarius cariri n. sp. from São Raimundo Nonato, Piauí (UFMG 11040), left palp, prolateral. 127. Same, bulb. 128. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (UFMG 11602), left palp, prolateral. 129. Same, bulb. 130. Sicarius ornatus n. sp. from Milagres, Bahia (IBSP 161100), left palp, prolateral. 131. Same, bulb. Scale bars: 500 μm (122, 124, 126, 128), 200 μm (129), 100 μm (123, 125, 127)." httpUri="https://zenodo.org/record/248592/files/figure.png" pageId="3" pageNumber="104">125, 127, 129, 131</figureCitation>
|
||
). Piriform palpal bulb, usually simple, with three distinguishable regions: a rounded base where the coiled sperm ducts are visible by transparency, a tapered cone-like body and a thin embolus that may be bent in relation to the body (
|
||
<figureCitation id="131B2A45FF9AFFC4FF2676CAFF4275CF" box="[159,241,187,211]" captionStart="FIGURE 28" captionStartId="9.[151,250,734,757]" captionTargetBox="[151,1435,193,712]" captionTargetId="figure@9.[151,1436,193,713]" captionTargetPageId="9" captionText="FIGURE 28. Sicarius tropicus (Mello-Leitão) (male from Cabaceiras, Paraíba, AMNH), right palpal bulb, prolateral, mirrored. Scale bar: 100 μm." httpUri="https://zenodo.org/record/248579/files/figure.png" pageId="4" pageNumber="105">Fig. 28</figureCitation>
|
||
). The embolus is complex and has a keel in
|
||
<taxonomicName id="4C204D43FF9AFFC4FD6A76CDFCF175CF" box="[723,834,188,211]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="105" phylum="Arthropoda" rank="species" species="ornatus" status="sp. nov.">
|
||
<emphasis id="B954EAD2FF9AFFC4FD6A76CDFCF175CF" box="[723,834,188,211]" italics="true" pageId="4" pageNumber="105">S. ornatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B954EAD2FF9AFFC4FCF176CDFC3575C8" bold="true" box="[840,902,188,212]" pageId="4" pageNumber="105">
|
||
<taxonomicNameLabel id="A26757A9FF9AFFC4FCF176CDFC3575C8" box="[840,902,188,212]" pageId="4" pageNumber="105" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="131B2A45FF9AFFC4FC2D76CAFB9E75CF" box="[916,1069,187,211]" captionStart="FIGURES 104 – 109" captionStartId="20.[151,264,1445,1468]" captionTargetBox="[172,1419,186,1390]" captionTargetId="figure@20.[151,1436,177,1424]" captionTargetPageId="20" captionText="FIGURES 104 – 109. Sicarius ornatus n. sp. males. 104. Holotype from Milagres, Bahia (IBSP 161102), left palp, prolateral. 105. Same, bulb. 106. Itabaiana, Sergipe (IBSP 162807), left bulb, prolateral. 107. Male from the same locality, left bulb, prolateral. 108. Ituaçu, Bahia (IBSP 162249), left bulb, prolateral. 109. Andaraí, Bahia (MNRJ 6355), left bulb, prolateral. Scale bars: 100 μm (except 102, 1000 μm)." httpUri="https://zenodo.org/record/248590/files/figure.png" pageId="4" pageNumber="105">Figs 104–109</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FB8076CAFB2E75CF" box="[1081,1181,187,211]" captionStart-0="FIGURES 124 – 131" captionStart-1="FIGURES 132 – 133" captionStartId-0="24.[151,264,1886,1909]" captionStartId-1="25.[151,264,659,682]" captionTargetBox-0="[190,1394,181,1870]" captionTargetBox-1="[151,1436,193,638]" captionTargetId-0="figure@24.[190,1395,181,1870]" captionTargetId-1="figure@25.[151,1436,193,638]" captionTargetPageId-0="24" captionTargetPageId-1="25" captionText-0="FIGURES 124 – 131. Scanning electron microscopy images of Sicarius male palps. 124. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162770), left palp, prolateral. 125. Same, bulb. 126. Sicarius cariri n. sp. from São Raimundo Nonato, Piauí (UFMG 11040), left palp, prolateral. 127. Same, bulb. 128. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (UFMG 11602), left palp, prolateral. 129. Same, bulb. 130. Sicarius ornatus n. sp. from Milagres, Bahia (IBSP 161100), left palp, prolateral. 131. Same, bulb. Scale bars: 500 μm (122, 124, 126, 128), 200 μm (129), 100 μm (123, 125, 127)." captionText-1="FIGURES 132 – 133. Scanning electron microscopy images of Sicarius ornatus n. sp., prolateral view of embolus. 132. Milagres, Bahia (IBSP 161100). 133. Itabaiana, Sergipe (IBSP 162807). Scale bars: 50 μm." httpUri-0="https://zenodo.org/record/248592/files/figure.png" httpUri-1="https://zenodo.org/record/248593/files/figure.png" pageId="4" pageNumber="105">130–133</figureCitation>
|
||
). Females with internal genitalia small and very lightly sclerotized (
|
||
<figureCitation id="131B2A45FF9AFFC4FD2876AEFC8375EB" box="[657,816,223,247]" captionStart="FIGURES 134 – 141" captionStartId="26.[151,264,1903,1926]" captionTargetBox="[191,1395,193,1882]" captionTargetId="figure@26.[191,1396,193,1882]" captionTargetPageId="26" captionText="FIGURES 134 – 141. Sicarius spermathecae. 134. Sicarius tropicus (Mello-Leitão), neotype (MNRJ 6521), ventral. 135. Same, right branches. 136. Sicarius cariri n. sp., paratype (IBSP 162356), ventral. 137. Same, right branches. 138. Sicarius diadorim n. sp., paratype (UFMG 11605), ventral. 139. Same, central branches. 140. Sicarius ornatus n. sp., paratype (CHNUFPI 258), ventral. 141. Same, central branches. Arrows indicate ventral branches of the spermathecae. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248594/files/figure.png" pageId="4" pageNumber="105">Figs 134–141</figureCitation>
|
||
), composed of a dorsal membrane (
|
||
<figureCitation id="131B2A45FF9AFFC4FB6876AEFAAF75EB" box="[1233,1308,223,247]" captionStart="FIGURES 8 – 11" captionStartId="5.[151,264,1116,1139]" captionTargetBox="[151,1435,193,1095]" captionTargetId="figure@5.[151,1436,193,1095]" captionTargetPageId="5" captionText="FIGURES 8 – 11. Scanning electron microscopy images of Sicarius cariri n. sp. (female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8 — Opisthosoma, dorsal view. 9 — Female genitalia and tracheal system, cleared, dorsal view. 10 — Spinnerets, ventral view. 11 — Hairs from the tuft anterior to spinnerets. Abbreviations: BL = booklungs, Em = spermathecae, Ht = hair tuft, M = dorsal membrane, Sp = spinnerets, Tr = trachea. Scale bars: 1000 μm (8), 200 μm (9), 500 μm (10), 20 μm (11)." httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="4" pageNumber="105">Figs 9</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FA9576AEFA2375EB" box="[1324,1424,223,247]" captionStart="FIGURES 142 – 149" captionStartId="27.[151,264,1825,1848]" captionTargetBox="[217,1367,183,1806]" captionTargetId="figure@27.[217,1368,183,1808]" captionTargetPageId="27" captionText="FIGURES 142 – 149. Scanning electronic microscopy images of Sicarius spermathecae. 142. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162768), dorsal. 143. Same, left branches. 144. Sicarius cariri n. sp., female paratype from São Raimundo Nonato, Piauí (IBSP 162357), ventral. 145. Same, right branches. 146. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (IBSP 162291), ventral. Arrow indicates a ventral branch of the spermathecae. 147. Same, detail of the base of a spermathecae branch. 148. Sicarius ornatus n. sp. from Ituaçu, Bahia (IBSP 162254), ventral. 149. Same, detail of the base of the left branches. Arrow indicates ventral branches of the spermathecae. Abbreviation: M = dorsal membrane. Scale bars: 200 μm (142, 144, 146, 148), 100 μm (145), 50 μm (143, 149), 10 μm (147)." httpUri="https://zenodo.org/record/248595/files/figure.png" pageId="4" pageNumber="105">142–149</figureCitation>
|
||
), inserted posteriorly to the epigastric furrow, and a ventral region from which the spermathecae are projected (
|
||
<figureCitation id="131B2A45FF9AFFC4FAD57773FF487422" captionStart="FIGURES 142 – 149" captionStartId="27.[151,264,1825,1848]" captionTargetBox="[217,1367,183,1806]" captionTargetId="figure@27.[217,1368,183,1808]" captionTargetPageId="27" captionText="FIGURES 142 – 149. Scanning electronic microscopy images of Sicarius spermathecae. 142. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162768), dorsal. 143. Same, left branches. 144. Sicarius cariri n. sp., female paratype from São Raimundo Nonato, Piauí (IBSP 162357), ventral. 145. Same, right branches. 146. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (IBSP 162291), ventral. Arrow indicates a ventral branch of the spermathecae. 147. Same, detail of the base of a spermathecae branch. 148. Sicarius ornatus n. sp. from Ituaçu, Bahia (IBSP 162254), ventral. 149. Same, detail of the base of the left branches. Arrow indicates ventral branches of the spermathecae. Abbreviation: M = dorsal membrane. Scale bars: 200 μm (142, 144, 146, 148), 100 μm (145), 50 μm (143, 149), 10 μm (147)." httpUri="https://zenodo.org/record/248595/files/figure.png" pageId="4" pageNumber="105">Figs 142–148</figureCitation>
|
||
), inserted anteriorly to the epigastric furrow. Spermathecae with numerous branches which have a rounded to oval reservoir in the apex and are covered with small pores, especially on the ventral surface (
|
||
<figureCitation id="131B2A45FF9AFFC4FB7B7738FAED747D" box="[1218,1374,329,353]" captionStart="FIGURES 134 – 141" captionStartId="26.[151,264,1903,1926]" captionTargetBox="[191,1395,193,1882]" captionTargetId="figure@26.[191,1396,193,1882]" captionTargetPageId="26" captionText="FIGURES 134 – 141. Sicarius spermathecae. 134. Sicarius tropicus (Mello-Leitão), neotype (MNRJ 6521), ventral. 135. Same, right branches. 136. Sicarius cariri n. sp., paratype (IBSP 162356), ventral. 137. Same, right branches. 138. Sicarius diadorim n. sp., paratype (UFMG 11605), ventral. 139. Same, central branches. 140. Sicarius ornatus n. sp., paratype (CHNUFPI 258), ventral. 141. Same, central branches. Arrows indicate ventral branches of the spermathecae. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248594/files/figure.png" pageId="4" pageNumber="105">Figs 134–141</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FAD57738FF777498" captionStart="FIGURES 142 – 149" captionStartId="27.[151,264,1825,1848]" captionTargetBox="[217,1367,183,1806]" captionTargetId="figure@27.[217,1368,183,1808]" captionTargetPageId="27" captionText="FIGURES 142 – 149. Scanning electronic microscopy images of Sicarius spermathecae. 142. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162768), dorsal. 143. Same, left branches. 144. Sicarius cariri n. sp., female paratype from São Raimundo Nonato, Piauí (IBSP 162357), ventral. 145. Same, right branches. 146. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (IBSP 162291), ventral. Arrow indicates a ventral branch of the spermathecae. 147. Same, detail of the base of a spermathecae branch. 148. Sicarius ornatus n. sp. from Ituaçu, Bahia (IBSP 162254), ventral. 149. Same, detail of the base of the left branches. Arrow indicates ventral branches of the spermathecae. Abbreviation: M = dorsal membrane. Scale bars: 200 μm (142, 144, 146, 148), 100 μm (145), 50 μm (143, 149), 10 μm (147)." httpUri="https://zenodo.org/record/248595/files/figure.png" pageId="4" pageNumber="105">147, 149</figureCitation>
|
||
). These pores have a small flagellum arising from them (
|
||
<figureCitation id="131B2A45FF9AFFC4FC88771DFC7A7498" box="[817,969,364,388]" captionStart="FIGURES 142 – 149" captionStartId="27.[151,264,1825,1848]" captionTargetBox="[217,1367,183,1806]" captionTargetId="figure@27.[217,1368,183,1808]" captionTargetPageId="27" captionText="FIGURES 142 – 149. Scanning electronic microscopy images of Sicarius spermathecae. 142. Sicarius tropicus (Mello-Leitão) from São José dos Cordeiros, Paraíba (IBSP 162768), dorsal. 143. Same, left branches. 144. Sicarius cariri n. sp., female paratype from São Raimundo Nonato, Piauí (IBSP 162357), ventral. 145. Same, right branches. 146. Sicarius diadorim n. sp. from Itacarambi, Minas Gerais (IBSP 162291), ventral. Arrow indicates a ventral branch of the spermathecae. 147. Same, detail of the base of a spermathecae branch. 148. Sicarius ornatus n. sp. from Ituaçu, Bahia (IBSP 162254), ventral. 149. Same, detail of the base of the left branches. Arrow indicates ventral branches of the spermathecae. Abbreviation: M = dorsal membrane. Scale bars: 200 μm (142, 144, 146, 148), 100 μm (145), 50 μm (143, 149), 10 μm (147)." httpUri="https://zenodo.org/record/248595/files/figure.png" pageId="4" pageNumber="105">Figs 147, 149</figureCitation>
|
||
) and may be glandular openings. Subadult females have incipient spermathecae, without pores, which sometimes allow correct identification (
|
||
<figureCitation id="131B2A45FF9AFFC4FAAA77E1FA2474B4" box="[1299,1431,400,424]" captionStart="FIGURES 52 – 63" captionStartId="13.[151,264,1872,1895]" captionTargetBox="[168,1435,234,1828]" captionTargetId="figure@13.[151,1436,225,1831]" captionTargetPageId="13" captionText="FIGURES 52 – 63. Sicarius tropicus (Mello-Leitão) female internal genitalia. 52. Neotype from Campina Grande, Paraíba (MNRJ 6521), dorsal. 53. Same, ventral. 54. Natal, Rio Grande do Norte (IBSP 37920), dorsal. 55. Same, ventral. 56. Buíque, Pernambuco (IBSP 28048), dorsal. 57. Same, ventral. 58. Cabaceiras, Paraíba (IBSP 40985), dorsal. 59. Same, ventral. 60. Araruna, Paraíba (IBSP 41374), dorsal. 61. Same, ventral. 62. Subadult female from Gurinhém, Paraíba (MNRJ 6263), dorsal. 63. Subadult female from Lajes, Rio Grande do Norte (IBSP 162804), dorsal. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248584/files/figure.png" pageId="4" pageNumber="105">Figs 62–63</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FF2E77C2FF6D74D7" box="[151,222,435,459]" captionStart="FIGURES 80 – 87" captionStartId="17.[151,264,1910,1933]" captionTargetBox="[164,1432,687,1881]" captionTargetId="figure@17.[151,1436,667,1908]" captionTargetPageId="17" captionText="FIGURES 80 – 87. Sicarius cariri n. sp. female internal genitalia. 80. Santa Quintéria do Maranhão, Maranhão (IBSP 35472), dorsal. 81. Same, ventral. 82. Xique-Xique, Bahia (IBSP 162288), dorsal. 83. Same, ventral. 84. Itaguaçu da Bahia, Bahia (IBSP 28955), dorsal. 85. Same, ventral. 86. Subadult female from Santa Quintéria do Maranhão, Maranhão (IBSP 35746), ventral. 87. Subadult female from Bom Jesus, Piauí (IBSP 27793), dorsal. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248587/files/figure.png" pageId="4" pageNumber="105">86–87</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FF5077C2FEFF74D7" box="[233,332,435,459]" captionStart="FIGURES 92 – 103" captionStartId="19.[151,264,1885,1908]" captionTargetBox="[218,1376,186,1837]" captionTargetId="figure@19.[200,1387,179,1857]" captionTargetPageId="19" captionText="FIGURES 92 – 103. Sicarius diadorim n. sp. female internal genitalia. 92. Paratype from Itacarambi, Minas Gerais (UFMG 11605), dorsal. 93. Same, ventral. 94. Fazenda Trijunção, Cocos, Bahia (DZUB 5000), dorsal. 95. Same, ventral. 96. Female from the same locality (IBSP 42147), dorsal. 97. Same, ventral. 98. Espinosa, Minas Gerais (IBSP 162292), dorsal. 99. Same, ventral. 100. Guanambi, Bahia (AMNH), dorsal. 101. Same, ventral. 102. Subadult female from Itacarambi, Minas Gerais (UFMG 4880), dorsal. 103. Subadult female from the same locality (UFMG 4881), dorsal. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248589/files/figure.png" pageId="4" pageNumber="105">102–103</figureCitation>
|
||
,
|
||
<figureCitation id="131B2A45FF9AFFC4FEEF77C2FE0974D7" box="[342,442,435,459]" captionStart="FIGURES 110 – 123" captionStartId="23.[151,264,1852,1875]" captionTargetBox="[270,1354,185,1829]" captionTargetId="figure@23.[222,1373,173,1837]" captionTargetPageId="23" captionText="FIGURES 110 – 123. Sicarius ornatus n. sp. female internal genitalia. 110. Paratype from Milagres, Bahia (IBSP 161089), dorsal. 111. Same, ventral. 112. Ituaçu, Bahia (IBSP 10236), dorsal. 113. Same, ventral. 114. Itabaiana, Sergipe (IBSP 162812), dorsal. 115. Same, ventral. 116. Female paratype from Milagres, Bahia (IBSP 161081), dorsal. 117. Same, ventral. 118. Itaetê, Bahia (MNRJ 6261), dorsal. 119. Same, ventral. 120. Mucugê, Bahia (IBSP 56507), dorsal. 121. Same, ventral. 122. Subadult female from Milagres, Bahia (IBSP 161093), dorsal. 123. Subadult female from Itabaiana, Sergipe (IBSP 67162), ventral. Arrows indicate ventral branches of the spermathecae. Scale bars: 100 μm." httpUri="https://zenodo.org/record/248591/files/figure.png" pageId="4" pageNumber="105">122–123</figureCitation>
|
||
), but they differ from adult females by lacking the setae tuft near the spinnerets.
|
||
</paragraph>
|
||
<caption id="DF5F6648FF9AFFC4FF2E7121FDA272EE" httpUri="https://zenodo.org/record/248574/files/figure.png" pageId="4" pageNumber="105" targetBox="[151,1435,500,1856]" targetPageId="4">
|
||
<paragraph id="8B9F36C0FF9AFFC4FF2E7121FDA272EE" blockId="4.[151,1437,1872,2035]" pageId="4" pageNumber="105">
|
||
<emphasis id="B954EAD2FF9AFFC4FF2E7121FE8E727A" bold="true" box="[151,317,1872,1895]" pageId="4" pageNumber="105">FIGURES 2–7.</emphasis>
|
||
Scanning electron microscopy images of
|
||
<taxonomicName id="4C204D43FF9AFFC4FD4F7120FC3F727B" box="[758,908,1873,1895]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="4" pageNumber="105" phylum="Arthropoda" rank="species" species="cariri" status="sp. nov.">
|
||
<emphasis id="B954EAD2FF9AFFC4FD4F7120FC3F727B" box="[758,908,1873,1895]" italics="true" pageId="4" pageNumber="105">Sicarius cariri</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B954EAD2FF9AFFC4FC2C7120FC62727A" bold="true" box="[917,977,1873,1894]" pageId="4" pageNumber="105">
|
||
<taxonomicNameLabel id="A26757A9FF9AFFC4FC2C7120FC62727A" box="[917,977,1873,1894]" pageId="4" pageNumber="105" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 2—Prosoma, dorsal view. Arrows indicate central groups of macrosetae and macrosetae in the lateral border of the carapace. 3—Prosoma, dorsolateral view. Arrow indicates cheliceral stridulatory file. 4—Stridulatory file in the chelicerae, lateral view. 5—Prosoma, ventral view. 6—Mouth region, ventral view. 7—Chelicerae macrosetae, ventral view. Abbreviations: Ch=chelicerae, E=eye, Ed=endite, L=labium, SF=stridulatory file, St=sternum. Scale bars: 2000μm (2, 5), 1000μm (6), 500μm (3), 50μm (4, 7).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF5F6648FF9BFFC5FF2E722DFACA71D3" httpUri="https://zenodo.org/record/248575/files/figure.png" pageId="5" pageNumber="106" targetBox="[151,1435,193,1095]" targetPageId="5">
|
||
<paragraph id="8B9F36C0FF9BFFC5FF2E722DFACA71D3" blockId="5.[151,1436,1116,1231]" pageId="5" pageNumber="106">
|
||
<emphasis id="B954EAD2FF9BFFC5FF2E722DFEFB716E" bold="true" box="[151,328,1116,1139]" pageId="5" pageNumber="106">FIGURES 8–11.</emphasis>
|
||
Scanning electron microscopy images of
|
||
<taxonomicName id="4C204D43FF9BFFC5FD45722FFC21716F" box="[764,914,1118,1139]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="5" pageNumber="106" phylum="Arthropoda" rank="species" species="cariri" status="sp. nov.">
|
||
<emphasis id="B954EAD2FF9BFFC5FD45722FFC21716F" box="[764,914,1118,1139]" italics="true" pageId="5" pageNumber="106">Sicarius cariri</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B954EAD2FF9BFFC5FC23722CFC66716E" bold="true" box="[922,981,1117,1138]" pageId="5" pageNumber="106">
|
||
<taxonomicNameLabel id="A26757A9FF9BFFC5FC23722CFC66716E" box="[922,981,1117,1138]" pageId="5" pageNumber="106" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(female from Alvorada do Gurguéia, Piauí, IBSP 162705, 162706). 8—Opisthosoma, dorsal view. 9—Female genitalia and tracheal system, cleared, dorsal view. 10— Spinnerets, ventral view. 11—Hairs from the tuft anterior to spinnerets. Abbreviations: BL=booklungs, Em=spermathecae, Ht=hair tuft, M=dorsal membrane, Sp=spinnerets, Tr=trachea. Scale bars: 1000μm (8), 200μm (9), 500μm (10), 20μm (11).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9F36C0FF9BFFC5FF7E728AFA39734B" blockId="5.[151,1436,1275,2020]" pageId="5" pageNumber="106">
|
||
<emphasis id="B954EAD2FF9BFFC5FF7E728AFE027008" bold="true" box="[199,433,1275,1300]" pageId="5" pageNumber="106">Genitalic variation.</emphasis>
|
||
The genitalia of both sexes vary in shape within species, especially in females. No two individuals have the same number and shape of spermathecae branches. Actually, even in the same individual the spermathecae is usually asymmetrical. This variation is geographically structured: individuals from the same population usually have more similar genitalia than those of different populations. This sometimes may hamper identification, for the variation within species is almost as large as that among species. Similar variation in female genitalic morphology has already been reported for
|
||
<taxonomicName id="4C204D43FF9BFFC5FD6173C1FAAC70DB" authority="Mello-Leitao (Buckup 1980)" authorityName="Mello-Leitao (Buckup" authorityYear="1980" box="[728,1311,1455,1480]" class="Arachnida" family="Sicariidae" genus="Loxosceles" kingdom="Animalia" order="Araneae" pageId="5" pageNumber="106" phylum="Arthropoda" rank="species" species="intermedia">
|
||
<emphasis id="B954EAD2FF9BFFC5FD6173C1FC6170D4" box="[728,978,1456,1480]" italics="true" pageId="5" pageNumber="106">Loxosceles intermedia</emphasis>
|
||
Mello-Leitão (
|
||
<bibRefCitation id="EFB14B31FF9BFFC5FBC273DEFAA570DB" author="Buckup" box="[1147,1302,1455,1479]" pageId="5" pageNumber="106" refString="Buckup, E. H. (1980) Variacao interpopulacional dos receptaculos seminais em aranhas do grupo spadicea do genero Loxosceles Heinecken & Lowe, 1832 (Araneae: Scytodidae). Iheringia, Serie Zoologia, 55, 137 - 147." type="journal article" year="1980">Buckup 1980</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. To delimit species, we associated female morphotypes with those of males, since both sexes are frequently collected together, and took hints from geographical distribution. Sometimes a reliable identification can only be made if males from the same locality are known, but there are localities where two species coexist. We tried to represent as much of the variation of each species as we could, but as more localities are sampled, more variants will likely be discovered.
|
||
</paragraph>
|
||
<paragraph id="8B9F36C0FF9BFFC7FF7E7015FB91749B" blockId="5.[151,1436,1275,2020]" lastBlockId="7.[151,1436,151,500]" lastPageId="7" lastPageNumber="108" pageId="5" pageNumber="106">
|
||
<emphasis id="B954EAD2FF9BFFC5FF7E7015FD877360" bold="true" box="[199,564,1635,1660]" pageId="5" pageNumber="106">Natural history and behavior.</emphasis>
|
||
<taxonomicName id="4C204D43FF9BFFC5FD877015FD297367" box="[574,666,1636,1659]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="5" pageNumber="106" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9BFFC5FD877015FD297367" box="[574,666,1636,1659]" italics="true" pageId="5" pageNumber="106">Sicarius</emphasis>
|
||
</taxonomicName>
|
||
spiders from
|
||
<collectingCountry id="F3377650FF9BFFC5FCF97012FC367367" box="[832,901,1635,1659]" name="Brazil" pageId="5" pageNumber="106">Brazil</collectingCountry>
|
||
are found almost exclusively in the Brazilian Caatinga, with isolated records from Restinga (xeric coastal vegetation growing on sandy soils) and dry forest enclaves in the
|
||
<emphasis id="B954EAD2FF9BFFC5FEF570DDFE1873D8" box="[332,427,1708,1732]" italics="true" pageId="5" pageNumber="106">Cerrado</emphasis>
|
||
domain (a Neotropical savanna) (
|
||
<figureCitation id="131B2A45FF9BFFC5FC8A70DAFC6773DF" box="[819,980,1707,1731]" captionStart-0="FIGURES 150 – 153" captionStart-1="FIGURES 154 – 159" captionStart-2="FIGURES 160 – 165" captionStart-3="FIGURE 166" captionStartId-0="28.[151,264,1038,1061]" captionStartId-1="29.[151,264,1608,1631]" captionStartId-2="30.[151,264,1715,1738]" captionStartId-3="31.[151,250,1280,1303]" captionTargetBox-0="[151,1435,193,1016]" captionTargetBox-1="[151,1435,334,1586]" captionTargetBox-2="[151,1435,337,1693]" captionTargetBox-3="[151,1431,385,1243]" captionTargetId-0="figure@28.[151,1436,193,1017]" captionTargetId-1="figure@29.[151,1436,334,1587]" captionTargetId-2="figure@30.[151,1436,337,1694]" captionTargetId-3="figure@31.[151,1436,385,1243]" captionTargetPageId-0="28" captionTargetPageId-1="29" captionTargetPageId-2="30" captionTargetPageId-3="31" captionText-0="FIGURES 150 – 153 Habitats where Sicarius tropicus (Mello-Leitão) has been found. 150. Pasture at Campina Grande, Paraíba. 151. Caatinga with rock outcrops in São Caetano, Pernambuco. 152. Caatinga with rock outcrops in Araruna, Paraíba. 153. Small cave at Jaguaribara, Ceará." captionText-1="FIGURES 154 – 159. Habitats where Sicarius cariri n. sp. has been found. 154. Little valley in a Caatinga area in São Raimundo Nonato, Piauí. 155. Arboreal Caatinga in Alvorada do Gurguéia, Piauí. 156. Caatinga with rock outcrops in Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 157. Sandy Caatinga in Xique-Xique, Bahia. Photo by G. F. B. Pereira. 158. Sandy Caatinga in Barra, Bahia. 159. Cashew (Anacardium occidentale L.) forest and Restinga in Ilha Grande, Piauí." captionText-2="FIGURES 160 – 165. Habitats where Sicarius diadorim n. sp. (160 – 162) and S. ornatus n. sp. (163 – 165) have been found. 160. Cerrado-Caatinga transition in Itacarambi, Minas Gerais. Photo by M. T. T. Santos. 161. Caatinga near rocky outcrops in Itaobim, Minas Gerais. Photo by G. F. B. Pereira. 162. Secondary Caatinga in Itaobim, Minas Gerais. 163. Atlantic Forest- Caatinga transition in Itabaiana, Sergipe. 164. Small cave near stream in Itabaiana, Sergipe. 165. Cave in Ituaçu, Bahia." captionText-3="FIGURE 166. Distribution of Sicarius species in Brazil." httpUri-0="https://zenodo.org/record/248596/files/figure.png" httpUri-1="https://zenodo.org/record/248597/files/figure.png" httpUri-2="https://zenodo.org/record/248598/files/figure.png" httpUri-3="https://zenodo.org/record/248599/files/figure.png" pageId="5" pageNumber="106">Figs 150–166</figureCitation>
|
||
). They are frequently found in caves in Caatinga areas. Individuals remain buried under fine, dry sediment during daytime (
|
||
<figureCitation id="131B2A45FF9BFFC5FBEE70BEFB1873FB" box="[1111,1195,1743,1767]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="5" pageNumber="106">Fig. 41</figureCitation>
|
||
), always under some cover: fallen logs, rocks, palm leaves, dry cattle dung, etc. Their burying behavior is stereotyped and has been described in detail by
|
||
<bibRefCitation id="EFB14B31FF9BFFC5FE227166FDE67233" author="Reiskind" box="[411,597,1815,1839]" pageId="5" pageNumber="106" refString="Reiskind, J. (1966) Stereotyped burying behavior in Sicarius. American Zoologist, 9, 195 - 200." type="journal article" year="1966">Reiskind (1966)</bibRefCitation>
|
||
. Individuals are often found near exuviae, suggesting they are relatively sedentary. Exuviae are usually found hanging upside down from rocks, logs and cave walls (
|
||
<figureCitation id="131B2A45FF9BFFC5FB0C714AFAB8724F" box="[1205,1291,1851,1875]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="5" pageNumber="106">Fig. 42</figureCitation>
|
||
). Sometimes different individuals are found sharing the same log or site, especially adult couples. When disturbed,
|
||
<taxonomicName id="4C204D43FF9BFFC5FAF97111FA2F726B" box="[1344,1436,1888,1911]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="5" pageNumber="106" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF9BFFC5FAF97111FA2F726B" box="[1344,1436,1888,1911]" italics="true" pageId="5" pageNumber="106">Sicarius</emphasis>
|
||
</taxonomicName>
|
||
spiders remain almost completely motionless, probably relying on the camouflage provided by the soil particles adhered to their cuticles as a defense. However, they also move their palps in a dorsoventral fashion, scratching the palpal picks against the ridged surface of the chelicerae. This can be noticed as a very subtle vibration. As this behavior was only observed by us when
|
||
<taxonomicName id="4C204D43FF98FFC6FE4C7171FDE2720B" box="[501,593,1792,1815]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="6" pageNumber="107" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B954EAD2FF98FFC6FE4C7171FDE2720B" box="[501,593,1792,1815]" italics="true" pageId="6" pageNumber="107">Sicarius</emphasis>
|
||
</taxonomicName>
|
||
spiders were held with a forceps or otherwise molested, we believe it to be a response to predators; the mechanism by which it helps avoiding predation is not known, however. The possibility of a sexual function of the stridulating behavior also cannot be dismissed (see
|
||
<bibRefCitation id="EFB14B31FF98FFC6FB757136FAE57243" author="Huber" box="[1228,1366,1863,1887]" pageId="6" pageNumber="107" refString="Huber, B. A. (1995) Copulatory mechanism in Holocnemus pluchei and Pholcus opilionoides, with notes on male cheliceral apophyses and stridulatory organs in Pholcidae. Acta Zoologica (Stockholm), 76, 291 - 300. http: // dx. doi. org / 10.1111 / j. 1463 - 6395.1995. tb 01001. x" type="journal article" year="1995">Huber 1995</bibRefCitation>
|
||
for a description of stridulatory behavior in courtship of pholcid spiders). They appear to be generalists in relation to feeding behavior, being observed preying upon different orders of insects, other spiders and even conspecifics in the field. They usually grab prey passing nearby when they are buried, and eat it either covered or not. We found spermatic webs of males of
|
||
<taxonomicName id="4C204D43FF98FFC6FE6B71A9FDFA72F3" box="[466,585,2008,2031]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="6" pageNumber="107" phylum="Arthropoda" rank="species" species="tropicus">
|
||
<emphasis id="B954EAD2FF98FFC6FE6B71A9FDFA72F3" box="[466,585,2008,2031]" italics="true" pageId="6" pageNumber="107">S. tropicus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="131B2A45FF98FFC6FDE171A6FD1F72F3" box="[600,684,2007,2031]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="6" pageNumber="107">Fig. 43</figureCitation>
|
||
), which are Y-shaped as reported by
|
||
<bibRefCitation id="EFB14B31FF98FFC6FBF571A6FB6772F3" author="Levi" box="[1100,1236,2007,2031]" pageId="6" pageNumber="107" refString="Levi, H. W. (1967) Predatory and sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 74, 320 - 330. http: // dx. doi. org / 10.1155 / 1967 / 28091" type="journal article" year="1967">Levi (1967)</bibRefCitation>
|
||
. The only species of which we have observed mating is
|
||
<taxonomicName id="4C204D43FF99FFC7FDF376E9FD1B75AC" box="[586,680,152,176]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="7" pageNumber="108" phylum="Arthropoda" rank="species" species="cariri" status="sp. nov.">
|
||
<emphasis id="B954EAD2FF99FFC7FDF376E9FD1B75AC" box="[586,680,152,176]" italics="true" pageId="7" pageNumber="108">S. cariri</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B954EAD2FF99FFC7FD0976E9FD4375AC" bold="true" box="[688,752,152,176]" pageId="7" pageNumber="108">
|
||
<taxonomicNameLabel id="A26757A9FF99FFC7FD0976E9FD4375AC" box="[688,752,152,176]" pageId="7" pageNumber="108" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
: we found a couple engaged in copulation in the field (
|
||
<figureCitation id="131B2A45FF99FFC7FAD776E6FF0475C8" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="7" pageNumber="108">Fig. 44</figureCitation>
|
||
), in the same position reported by
|
||
<bibRefCitation id="EFB14B31FF99FFC7FD8E76CDFCA175C8" author="Levi" box="[567,786,188,212]" pageId="7" pageNumber="108" refString="Levi, H. W. & Levi, L. R. (1969) Eggcase construction and further observations on the sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 76, 29 - 40. http: // dx. doi. org / 10.1155 / 1969 / 96480" type="journal article" year="1969">Levi & Levi (1969)</bibRefCitation>
|
||
for an Argentinian species, for which we believe this may be a conserved behavior in at least some species. Eggsacs have the same shape reported for other South American species of the genus (
|
||
<figureCitation id="131B2A45FF99FFC7FE3F7775FDB47400" box="[390,519,260,284]" captionStart="FIGURES 41 – 46. 41" captionStartId="11.[151,264,1566,1589]" captionTargetBox="[151,1435,193,1544]" captionTargetId="figure@11.[151,1436,193,1545]" captionTargetPageId="11" captionText="FIGURES 41 – 46. 41 — Sicarius cariri n. sp., male from Luís Corrêa, Piauí. This individual was found buried in the sand next to a tree. 42 — Exuvia of a S. cariri n. sp. individual hanging from a cave wall in Paulo Afonso, Bahia. 43 — Sperm web of S. tropicus from Lajes, Rio Grande do Norte. 44 — Couple of S. cariri n. sp. in copula (male on bottom, IBSP 162272, female on top, IBSP 162273). Morro do Chapéu, Bahia. Photo by G. F. B. Pereira. 45 — Eggsac of S. tropicus from Campina Grande, Paraíba. 46 — Eggsac of S. diadorim n. sp. from Itacarambi, Minas Gerais. Photo by H. Yamaguti." httpUri="https://zenodo.org/record/248582/files/figure.png" pageId="7" pageNumber="108">Figs 45, 46</figureCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF99FFC7FDAA7775FD6D7400" author="Levi" box="[531,734,260,284]" pageId="7" pageNumber="108" refString="Levi, H. W. & Levi, L. R. (1969) Eggcase construction and further observations on the sexual behavior of the spider Sicarius (Araneae: Sicariidae). Psyche, 76, 29 - 40. http: // dx. doi. org / 10.1155 / 1969 / 96480" type="journal article" year="1969">Levi & Levi 1969</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFB14B31FF99FFC7FD537775FC4E7400" author="Aguilar" box="[746,1021,260,284]" pageId="7" pageNumber="108" refString="Aguilar, P. G. & Mendez, M. A. (1971) La " arana chata del nido de arena ", Sicarius peruensis (Keyserling, 1880). I. Caracteristicas morfologicas y ecologicas. Revista Peruana de Entomologia, 14, 143 - 156." type="journal article" year="1971">Aguilar & Méndez 1971</bibRefCitation>
|
||
) and are found adhered upside-down under logs and stones. Sometimes three to four eggsacs are found piled up, the ones in the base already with a small hole in the lid from where juveniles leave. It seems that juveniles remain in the eggsac for some time after the eggs hatch: we have opened eggsacs found in the field and juveniles readily came out.
|
||
</paragraph>
|
||
<caption id="DF5F6648FF98FFC6FF2E7052FAB473CE" httpUri="https://zenodo.org/record/248576/files/figure.png" pageId="6" pageNumber="107" targetBox="[151,1435,193,1549]" targetPageId="6">
|
||
<paragraph id="8B9F36C0FF98FFC6FF2E7052FAB473CE" blockId="6.[151,1437,1571,1747]" pageId="6" pageNumber="107">
|
||
<emphasis id="B954EAD2FF98FFC6FF2E7052FEE67324" bold="true" box="[151,341,1571,1594]" pageId="6" pageNumber="107">FIGURES 12–17.</emphasis>
|
||
Scanning electron microscopy images of
|
||
<taxonomicName id="4C204D43FF98FFC6FCBD7055FC2B7325" box="[772,920,1572,1593]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="6" pageNumber="107" phylum="Arthropoda" rank="species" species="cariri" status="sp. nov.">
|
||
<emphasis id="B954EAD2FF98FFC6FCBD7055FC2B7325" box="[772,920,1572,1593]" italics="true" pageId="6" pageNumber="107">Sicarius cariri</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B954EAD2FF98FFC6FC197055FC697325" bold="true" box="[928,986,1572,1593]" pageId="6" pageNumber="107">
|
||
<taxonomicNameLabel id="A26757A9FF98FFC6FC197055FC697325" box="[928,986,1572,1593]" pageId="6" pageNumber="107" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(female from Alvorada do Gurguéia, Piauí: 12–15, 17; IBSP 162705, 162706) and
|
||
<taxonomicName id="4C204D43FF98FFC6FD9C7032FCDD7344" authority="Mello-Leitao" authorityName="Mello-Leitao" box="[549,878,1602,1624]" class="Arachnida" family="Sicariidae" genus="Sicarius" kingdom="Animalia" order="Araneae" pageId="6" pageNumber="107" phylum="Arthropoda" rank="species" species="tropicus">
|
||
<emphasis id="B954EAD2FF98FFC6FD9C7032FD627344" box="[549,721,1603,1624]" italics="true" pageId="6" pageNumber="107">Sicarius tropicus</emphasis>
|
||
(Mello-Leitão)
|
||
</taxonomicName>
|
||
(male from São José dos Cordeiros, Paraíba: 16; IBSP 162770). 12—Chelicerae, retromarginal view. 13—Right palp, prolateral view. Arrow indicates femoral picks. 14—Palpal femoral picks, prolateral view. 15—Proximal palpal femoral pick, prolateral view. 16—Left palpal femoral picks, prolateral view. 17—Second right tarsus, tarsal claws, lateral view. Abbreviations: ChL= apex of the cheliceral lamina, PL= promarginal lobe of the chelicerae, VO= venom outlet. Scale bars: 500μm (12), 200μm (13), 100μm (14, 16, 17), 20μm (15).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9F36C0FF99FFC7FF7E77E5FDB174E8" blockId="7.[151,1436,151,500]" pageId="7" pageNumber="108">These notes come from anecdotal observations from the field and laboratory, but we believe many of the behaviors observed by us may be widespread in South American species of the genus. For more details on natural history, see species descriptions.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |