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<document ID-DOI="http://dx.doi.org/10.3897/asp.81.e95181" ID-Pensoft-Pub="1864-8312-81-317" ID-Pensoft-UUID="C3B28C3FAD9250BC906A4A865EAA18B4" ID-ZooBank="BE57FF40714740AC8BEA1706A95DA4ED" ModsDocID="1864-8312-81-317" checkinTime="1680679737344" checkinUser="pensoft" docAuthor="Botero-Trujillo, Ricardo, Martinez, Leonel, Iuri, Hernan Augusto, Ojanguren-Affilastro, Andres Alejandro &amp; Carvalho, Leonardo Sousa" docDate="2023" docId="A8E81F8B2F80524EA81B91C59301DE19" docLanguage="en" docName="ArthropodSystPhyl 81: 317-344" docOrigin="Arthropod Systematics &amp; amp; Phylogeny 81" docPubDate="2023-04-04" docSource="http://dx.doi.org/10.3897/asp.81.e95181" docTitle="Xenotrecha huebneri" docType="treatment" docVersion="2" id="C3B28C3FAD9250BC906A4A865EAA18B4" lastPageNumber="317" masterDocId="C3B28C3FAD9250BC906A4A865EAA18B4" masterDocTitle="Revision of the genera Eutrecha and Xenotrecha (Solifugae: Ammotrechidae), taxonomic notes on Ammotrechinae, and description of a remarkable new Eutrecha from Colombia" masterLastPageNumber="344" masterPageNumber="317" pageNumber="317" updateTime="1680680040489" updateUser="ExternalLinkService">
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<mods:title>Revision of the genera Eutrecha and Xenotrecha (Solifugae: Ammotrechidae), taxonomic notes on Ammotrechinae, and description of a remarkable new Eutrecha from Colombia</mods:title>
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<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Botero-Trujillo, Ricardo</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6199-6572</mods:nameIdentifier>
<mods:affiliation>Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79 th Street, New York, NY 10024 - 5192, USA &amp; Division Aracnologia, Museo Argentino de Ciencias Naturales &quot; Bernardino Rivadavia &quot; - CONICET, Avenida Angel Gallardo 470, CP: 1405 DJR, C. A. B. A., Buenos Aires, Argentina</mods:affiliation>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Martinez, Leonel</mods:namePart>
<mods:affiliation>Division Aracnologia, Museo Argentino de Ciencias Naturales &quot; Bernardino Rivadavia &quot; - CONICET, Avenida Angel Gallardo 470, CP: 1405 DJR, C. A. B. A., Buenos Aires, Argentina</mods:affiliation>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Iuri, Hernan Augusto</mods:namePart>
<mods:affiliation>Division Aracnologia, Museo Argentino de Ciencias Naturales &quot; Bernardino Rivadavia &quot; - CONICET, Avenida Angel Gallardo 470, CP: 1405 DJR, C. A. B. A., Buenos Aires, Argentina</mods:affiliation>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Ojanguren-Affilastro, Andres Alejandro</mods:namePart>
<mods:affiliation>Division Aracnologia, Museo Argentino de Ciencias Naturales &quot; Bernardino Rivadavia &quot; - CONICET, Avenida Angel Gallardo 470, CP: 1405 DJR, C. A. B. A., Buenos Aires, Argentina</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Carvalho, Leonardo Sousa</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4700-5610</mods:nameIdentifier>
<mods:affiliation>Universidade Federal do Piaui, Campus Amilcar Ferreira Sobral, BR 343, km 3.5, Bairro Meladao, s / no. CEP 64800 - 000, Floriano, PI, Brazil</mods:affiliation>
<mods:nameIdentifier type="email">carvalho@ufpi.edu.br</mods:nameIdentifier>
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<mods:title>Arthropod Systematics &amp; amp; Phylogeny</mods:title>
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<mods:date>2023</mods:date>
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<mods:number>2023-04-04</mods:number>
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<mods:start>317</mods:start>
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<subSection pageId="0" pageNumber="317" type="3. results">
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3.1.7.
<taxonomicName ID-CoL="5CBV3" LSID="http://zoobank.org/DC49C067-3E91-4885-8F56-2EF75F196AD3" authority="(Kraepelin, 1899)" baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">Xenotrecha huebneri (Kraepelin, 1899)</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="description">
<paragraph pageId="0" pageNumber="317">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Known records of Eutrecha Maury, 1982 (squares, circles and pentagons) and Xenotrecha Maury, 1982 (crosses). Records with question mark correspond to unconfirmed record from Suriname and the unprecise type locality of X. huebneri in the headwaters of the Orinoco River, in Venezuela. See text for details." figureDoi="10.3897/asp.81.e95181.figure1" httpUri="https://binary.pensoft.net/fig/833383" pageId="0" pageNumber="317">Figs 1</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">, 3</figureCitation>
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Xenotrecha huebneri (Kraepelin, 1899), live habitus of adults at Serra do Tepequem, Roraima State, Brazil. A ♂ (CHNUFPI 1247). B ♀ (CHNUFPI 1249)." figureDoi="10.3897/asp.81.e95181.figure11" httpUri="https://binary.pensoft.net/fig/833393" pageId="0" pageNumber="317">, 11</figureCitation>
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">, 12</figureCitation>
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">, 13</figureCitation>
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">, 14</figureCitation>
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">, 15</figureCitation>
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">, 16</figureCitation>
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (A) and close-up of cleavage plane proximally on femur (B) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (C) and retrolateral (D) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D)." figureDoi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317">, 17</figureCitation>
<figureCitation captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, scanning electron micrographs of cleavage plane on healed severed stump (post-autotomy in nature) of dextral pedipalp femur, retrolateral aspect (A) and close-up of edge (B), inclined, anterior aspect (C) and close-up of pointy process on prolateral part of stump (D). Scale bars = 0.5 mm (A, C), 0.1 mm (B), 0.2 mm (D)." figureDoi="10.3897/asp.81.e95181.figure18" httpUri="https://binary.pensoft.net/fig/833400" pageId="0" pageNumber="317">, 18</figureCitation>
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Landscape and habitat of Xenotrecha huebneri (Kraepelin, 1899) at Serra do Tepequem, Roraima State, Brazil. Note the dense vegetation (A), grasslands, and rocky outcrops (B - D) present in the area." figureDoi="10.3897/asp.81.e95181.figure19" httpUri="https://binary.pensoft.net/fig/833401" pageId="0" pageNumber="317">, 19</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="reference_group">
<paragraph pageId="0" pageNumber="317">
<taxonomicName class="Insecta" family="Ammotrechidae" genus="Cleobis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cleobis hübneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="hübneri">
Cleobis
<normalizedToken originalValue="hübneri">huebneri</normalizedToken>
</taxonomicName>
Kraepelin, 1899: 239-240;
<bibRefCitation author="Weidner, H" journalOrPublisher="Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut" pageId="0" pageNumber="317" pagination="89 - 142" refId="B41" refString="Weidner, H, 1959. Die Entomologischen Sammlungen des Zoologischen Staatsinstituts und Zoologischen Museums Hamburg. I. Teil. Pararthropoda und Chelicerata I. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 57: 89 - 142" title="Die Entomologischen Sammlungen des Zoologischen Staatsinstituts und Zoologischen Museums Hamburg. I. Teil. Pararthropoda und Chelicerata I." volume="57" year="1959">Weidner 1959</bibRefCitation>
: 109;
<bibRefCitation author="Maury, EA" journalOrPublisher="Journal of Arachnology" pageId="0" pageNumber="317" pagination="123 - 143" refId="B28" refString="Maury, EA, 1982. Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae). Journal of Arachnology 10: 123 - 143" title="Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae)." volume="10" year="1982">Maury 1982</bibRefCitation>
: 124.
</paragraph>
<paragraph pageId="0" pageNumber="317">
<taxonomicName authorityName="Kraepelin" authorityYear="1899" class="Insecta" family="Ammotrechidae" genus="Cleobis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cleobis huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">Cleobis huebneri</taxonomicName>
Kraepelin, 1899:
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4375.1.1" author="Harms, D" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" pagination="1 - 58" refId="B16" refString="Harms, D, Duperre, N, 2018. An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg. Zootaxa 4375 (1): 1 - 58, DOI: https://doi.org/10.11646/zootaxa.4375.1.1" title="An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg." url="https://doi.org/10.11646/zootaxa.4375.1.1" volume="4375" year="2018">
Harms and
<normalizedToken originalValue="Dupérré">Duperre</normalizedToken>
2018
</bibRefCitation>
: 12-13, figs 5a-c.
</paragraph>
<paragraph pageId="0" pageNumber="317">
<taxonomicName class="Arachnida" family="Ammotrechidae" genus="Ammotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ammotrecha hübneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="hübneri">
Ammotrecha
<normalizedToken originalValue="hübneri">huebneri</normalizedToken>
</taxonomicName>
(Kraepelin, 1899):
<bibRefCitation author="Kraepelin, K" journalOrPublisher="Das Tierreich" pageId="0" pageNumber="317" pagination="1 - 159" refId="B23" refString="Kraepelin, K, 1901. Palpigradi und Solifugae. Das Tierreich 12: 1 - 159" title="Palpigradi und Solifugae." volume="12" year="1901">Kraepelin 1901</bibRefCitation>
: 112-114.
</paragraph>
<paragraph pageId="0" pageNumber="317">
<taxonomicName class="Arachnida" family="Ammotrechidae" genus="Ammotrechella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ammotrechella hübneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="hübneri">
Ammotrechella
<normalizedToken originalValue="hübneri">huebneri</normalizedToken>
</taxonomicName>
(Kraepelin, 1899): Roewer,1934: 593, 594-595, 598, figs 336b, 338c.
</paragraph>
<paragraph pageId="0" pageNumber="317">
<taxonomicName class="Arachnida" family="Ammotrechidae" genus="Ammotrechella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ammotrechella hubneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="hubneri">Ammotrechella hubneri</taxonomicName>
(Kraepelin, 1899):
<bibRefCitation author="Muma, MH" journalOrPublisher="Journal of Agriculture of the University of Puerto Rico" pageId="0" pageNumber="317" pagination="506 - 512" refId="B36" refString="Muma, MH, Nazario, ML, 1971. New solpugids (Arachnida: Solpugida) from Puerto Rico. Journal of Agriculture of the University of Puerto Rico 55: 506 - 512" title="New solpugids (Arachnida: Solpugida) from Puerto Rico." volume="55" year="1971">Muma and Nazario 1971</bibRefCitation>
: 506, 507;
<bibRefCitation author="Muma, MH" journalOrPublisher="Publication of the Office of Research, Western New Mexico University, Silver City, New Mexico," pageId="0" pageNumber="317" pagination="1 - 33" refId="B35" refString="Muma, MH, 1976. A review of solpugid families with an annotated list of western hemisphere solpugids. Publication of the Office of Research, Western New Mexico University, Silver City, New Mexico, 2 (1): 1 - 33" title="A review of solpugid families with an annotated list of western hemisphere solpugids." volume="2" year="1976">Muma 1976</bibRefCitation>
: 25.
</paragraph>
<paragraph pageId="0" pageNumber="317">
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">Xenotrecha huebneri</taxonomicName>
(Kraepelin, 1899):
<bibRefCitation author="Maury, EA" journalOrPublisher="Journal of Arachnology" pageId="0" pageNumber="317" pagination="123 - 143" refId="B28" refString="Maury, EA, 1982. Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae). Journal of Arachnology 10: 123 - 143" title="Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae)." volume="10" year="1982">Maury 1982</bibRefCitation>
: 125-127, 129, 134-138, figs 18-28;
<bibRefCitation author="Maury, EA" journalOrPublisher="Journal of Arachnology" pageId="0" pageNumber="317" refId="B29" refString="Maury, EA, 1984. Las familias de solifugos americanos y su distribucion geografica (Arachnida, Solifugae). Physis (Buenos Aires), secc. C, 42(103), 73-80." title="Las familias de solifugos americanos y su distribucion geografica (Arachnida, Solifugae). Physis (Buenos Aires), secc. C, 42 (103), 73 - 80." year="1984">Maury 1984</bibRefCitation>
: 75, fig. 11;
<bibRefCitation author="Rocha, LS" journalOrPublisher="Newsletter of the British Arachnological Society" pageId="0" pageNumber="317" pagination="4 - 5" refId="B37" refString="Rocha, LS, Cancello, EM, 2002a. South American Solifugae: New records, occurrence in humid forest and concurrence with termites. Newsletter of the British Arachnological Society 93: 4 - 5" title="South American Solifugae: New records, occurrence in humid forest and concurrence with termites." volume="93" year="2002 a">Rocha and Cancello 2002a</bibRefCitation>
: 4;
<bibRefCitation author="Rocha, LS" journalOrPublisher="Fauna da Amazonia Brasileira" pageId="0" pageNumber="317" pagination="1 - 3" refId="B38" refString="Rocha, LS, Cancello, EM, 2002b. Arachnida - Solifugae. Fauna da Amazonia Brasileira 22: 1 - 3" title="Arachnida - Solifugae." volume="22" year="2002 b">Rocha and Cancello 2002b</bibRefCitation>
: 2;
<bibRefCitation author="Harvey, MS" journalOrPublisher="CSIRO Publishing, Collingwood, Victoria, Australia. First Edition" pageId="0" pageNumber="317" refId="B18" refString="Harvey, MS, 2003. Catalogue of the Smaller Arachnid Orders of the World. CSIRO Publishing, Collingwood, Victoria, Australia. First Edition" title="Catalogue of the Smaller Arachnid Orders of the World." year="2003">Harvey 2003</bibRefCitation>
: 210-211;
<bibRefCitation DOI="http://dx.doi.org/10.5531/sd.sp.8" author="Bird, TL" journalOrPublisher="Revista Nicaragueense de Entomologia" pageId="0" pageNumber="317" refId="B5" refString="Bird, TL, Wharton, R, Prendini, L, 2015. Cheliceral morphology in Solifugae (Arachnida): primary homology, terminology and character survey. Bulletin of the American Museum of Natural History 394: 355 pp. http://dx.doi.org/10.5531/sd.sp.8" title="Cheliceral morphology in Solifugae (Arachnida): primary homology, terminology and character survey. Bulletin of the American Museum of Natural History 394: 355 pp." url="http://dx.doi.org/10.5531/sd.sp.8" year="2015">Bird et al. 2015</bibRefCitation>
: 123;
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4375.1.1" author="Harms, D" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" pagination="1 - 58" refId="B16" refString="Harms, D, Duperre, N, 2018. An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg. Zootaxa 4375 (1): 1 - 58, DOI: https://doi.org/10.11646/zootaxa.4375.1.1" title="An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg." url="https://doi.org/10.11646/zootaxa.4375.1.1" volume="4375" year="2018">
Harms and
<normalizedToken originalValue="Dupérré">Duperre</normalizedToken>
2018
</bibRefCitation>
: 13.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="type material">
<paragraph pageId="0" pageNumber="317">Type material.</paragraph>
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Holotype. VENEZUELA</emphasis>
• 1 ♀; &quot;South Venezuela&quot; [locality not specified]; 25 Nov 1898; G.
<normalizedToken originalValue="Hübner">Huebner</normalizedToken>
&amp; O. Schneider leg; ZMH. Examined by images from
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4375.1.1" author="Harms, D" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" pagination="1 - 58" refId="B16" refString="Harms, D, Duperre, N, 2018. An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg. Zootaxa 4375 (1): 1 - 58, DOI: https://doi.org/10.11646/zootaxa.4375.1.1" title="An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg." url="https://doi.org/10.11646/zootaxa.4375.1.1" volume="4375" year="2018">
Harms and
<normalizedToken originalValue="Dupérré">Duperre</normalizedToken>
(2018)
</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="revised diagnosis">
<paragraph pageId="0" pageNumber="317">Revised diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="317">As for the genus.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="redescription">
<paragraph pageId="0" pageNumber="317">Redescription of male.</paragraph>
<paragraph pageId="0" pageNumber="317">
Based on nontype male from Vila
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
(CHNUFPI 1247). -
<emphasis bold="true" pageId="0" pageNumber="317">Measurements.</emphasis>
Linear measurements in Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements (mm) for Eutrecha belenensis sp. nov., Eutrecha florezi Villareal-Blanco, Armas and Martinez, 2017, and Xenotrecha huebneri (Kraepelin, 1899). Material deposited in the Colecao de Historia Natural, Universidade Federal do Piaui (CHNUFPI), Floriano, Brazil; the Instituto de Investigacion de Recursos Biologicos &quot; Alexander von Humboldt &quot; (IAvH), Villa de Leyva, Colombia; the Arachnological Collection of the Instituto de Ciencias Naturales (ICN), Universidad Nacional de Colombia, Bogota; the Museo Javeriano de Historia Natural &quot; Lorenzo Uribe, S. J., &quot; Pontificia Universidad Javeriana (MPUJ), Bogota. 1 Excludes chelicerae. 2 Excludes claws." httpUri="http://table.plazi.org/id/0CC0DB218EC0F9207105B5A155D1503B" pageId="0" pageNumber="317" tableUuid="0CC0DB218EC0F9207105B5A155D1503B">1</tableCitation>
. -
<emphasis bold="true" pageId="0" pageNumber="317">Color.</emphasis>
In 80% ethanol-preserved specimen. Prosomal dorsal shields and opisthosomal tergites with overall brown coloration (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12A, C</figureCitation>
). Propeltidium with a design of pale brown areas in a darker contour (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12C</figureCitation>
), one large that narrows anteriorly, and two small oval areas one on each side of the ocular tubercle, the latter of which is blackish; eyespots shiny white (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13A</figureCitation>
). Meso-, metapeltidium, and opisthosomal tergites predominantly dark brown (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12A</figureCitation>
), with scattered faded patches. Chelicerae, base color pale brown (same as pale propeltidial areas) (Figs
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12C</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14C, E</figureCitation>
), with three dark brown, narrow longitudinal stripes on prodorsal, retrolateral, and retroventral surfaces of manus, which fuse into a large dark brown retrolateral area on distal part of manus; stridulatory plate predominantly yellow, with brownish stridulatory ridges (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14D</figureCitation>
). Asetose area of fixed and movable fingers red, with all teeth darkened (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
); movable finger setose area with ventral, brown-spotted area. Pedipalp coxae yellowish white, trochanter pale brown, femur and tibia dark brown, with faint paler areas (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (A) and close-up of cleavage plane proximally on femur (B) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (C) and retrolateral (D) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D)." figureDoi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317">17</figureCitation>
), as are the patella and tibia of legs. Pedipalps and legs, basitarsus proximal half dark brown, distal half yellowish brown, same color as telotarsus. Coxosternal region and trochanters of legs immaculately yellowish white (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13B</figureCitation>
). Femora of legs I-II, basifemora and telofemora of legs III-IV yellowish white, with scattered darker patches, mostly on dorsal surface. Malleoli white. Opisthosomal pleural membranes with faded, dark brown color dorsally, paler towards the venter. Sternites yellowish white (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13C</figureCitation>
), except for three posteriormost sternites which have some scattered dark brown patches. -
<emphasis bold="true" pageId="0" pageNumber="317">Prosoma.</emphasis>
Propeltidium longer than wide (Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements (mm) for Eutrecha belenensis sp. nov., Eutrecha florezi Villareal-Blanco, Armas and Martinez, 2017, and Xenotrecha huebneri (Kraepelin, 1899). Material deposited in the Colecao de Historia Natural, Universidade Federal do Piaui (CHNUFPI), Floriano, Brazil; the Instituto de Investigacion de Recursos Biologicos &quot; Alexander von Humboldt &quot; (IAvH), Villa de Leyva, Colombia; the Arachnological Collection of the Instituto de Ciencias Naturales (ICN), Universidad Nacional de Colombia, Bogota; the Museo Javeriano de Historia Natural &quot; Lorenzo Uribe, S. J., &quot; Pontificia Universidad Javeriana (MPUJ), Bogota. 1 Excludes chelicerae. 2 Excludes claws." httpUri="http://table.plazi.org/id/0CC0DB218EC0F9207105B5A155D1503B" pageId="0" pageNumber="317" tableUuid="0CC0DB218EC0F9207105B5A155D1503B">1</tableCitation>
); covered with small to medium-sized, spicule-like stout setae, straight and rigid (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12C</figureCitation>
); these setae fall off and break easily; at least the larger macrosetae exhibit a bilaterally symmetrical distribution on propeltidium. Ocular tubercle slightly elevated, with abundant macrosetae. Anterolateral propeltidial lobes separated from the propeltidium principal shield by incomplete lateral groove (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13A</figureCitation>
). Eyespots elongated, its length approximately half the length of the anterolateral propeltidial lobe ventral margin. Meso- and metapeltidium wider than long, with abundant macrosetae similar to those on propeltidium (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12A</figureCitation>
). Coxae densely covered with abundant thin setae (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13B</figureCitation>
). Sternum glabrous. -
<emphasis bold="true" pageId="0" pageNumber="317">Chelicera-dentition and processes.</emphasis>
Fixed finger with median teeth series comprising well-developed primary teeth (FP, FM, and FD) and very small FSM tooth (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
,
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15A</figureCitation>
); FSD tooth absent; FSM and FM contiguous to adjacent teeth (i.e., without medial notch or FMAD); retrofondal teeth series uninterrupted (i.e., without FRFD), with four teeth (RFSP, RFP, RFM, RFA) (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
,
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15A</figureCitation>
); basal retrofondal margin heavily sclerotized (Fig.
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15A</figureCitation>
); profondal teeth series consisting of four teeth (PFSP, PFP, PFSM, PFM). Fixed finger asetose area with dorsal and ventral margins notably curved; prodorsal carina sharp, not elevated in lateral aspect, without angular dorsal crest; proventral carina weakly pronounced on the mucron area; fixed finger retrolateral carina (FRLC) obsolete, represented by few granules on the proximal region of the asetose area (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
). Fixed finger mucron without subterminal (FST) teeth; apex (FT tooth) curved. Movable finger with median teeth series comprising well-developed and similar-sized MP and MM primary teeth, and one MSM secondary tooth which is smaller than MP and MM (i.e., MP ≈ MM&gt; MSM) (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
); all three teeth of the median series adjacent to each other; MSM upright and triangular. Movable finger prolateral carina (MPLC) markedly developed, ending slightly basal to MP in a small but distinct prolateral (MPL) tooth, which is about half the size of MSM tooth (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14D</figureCitation>
). Movable finger without subproximal (MSP) or subterminal (MST) teeth; movable finger retroventral longitudinal carina (MRVC) present on distal half, or third, of finger, forming a smooth elevated ridge (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
,
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">16D</figureCitation>
); retrolateral longitudinal carina (MRLC) consisting of scattered conspicuous granules on the retrolateral surface of finger (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xenotrecha huebneri (Kraepelin, 1899), schematic representation of cheliceral morphology, retrolateral aspect. A ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. B ♂ (CHNUFPI 1247), same locality. Abbreviations: FD, fixed finger, distal tooth; FM, fixed finger, medial tooth; FP, fixed finger, proximal tooth; FSM, fixed finger, submedial tooth; MM, movable finger, medial tooth; MP, movable finger, proximal tooth; MRLC, movable finger, retrolateral carina; MRVC, movable finger, retroventral longitudinal carina; MSM, movable finger, submedial tooth; RFA, retrofondal apical tooth; RFM, retrofondal medial tooth; RFP, retrofondal proximal tooth; RFSP, retrofondal subproximal tooth." figureDoi="10.3897/asp.81.e95181.figure3" httpUri="https://binary.pensoft.net/fig/833385" pageId="0" pageNumber="317">3B</figureCitation>
). Movable finger mucron moderately long, with gnathal edge carina ordinary (not convex). Closure of FM tooth distal to MM, when fingers are closed. -
<emphasis bold="true" pageId="0" pageNumber="317">Chelicera-setose areas and stridulatory plate.</emphasis>
Retrolateral and dorsal surfaces with abundant retrolateral manus (
<emphasis italics="true" pageId="0" pageNumber="317">rlm</emphasis>
) and retrolateral finger (
<emphasis italics="true" pageId="0" pageNumber="317">rlf</emphasis>
) setae, of different sizes, which are predominantly straight and rigid (Figs
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12C</figureCitation>
,
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14C-F</figureCitation>
); some of these setae are arranged in bilaterally symmetrical pattern, as are some principal retrolateral finger (
<emphasis italics="true" pageId="0" pageNumber="317">principal rlf</emphasis>
) setae that are more flexible than others; movable finger retrolateral proximal setal cluster (
<emphasis italics="true" pageId="0" pageNumber="317">rlpc</emphasis>
) dorsally with a single, long and markedly plumose seta (Figs
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14E</figureCitation>
,
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">16D</figureCitation>
). Prolateral surface with array of setal types (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14D, F</figureCitation>
), as follows: row of plumose proventral distal (
<emphasis italics="true" pageId="0" pageNumber="317">pvd</emphasis>
) setae starting at level of the interdigital condyle (
<emphasis italics="true" pageId="0" pageNumber="317">pic</emphasis>
) and ending near level of FP tooth; proventral subdistal (
<emphasis italics="true" pageId="0" pageNumber="317">pvsd</emphasis>
) setae arranged in rather disorganized pattern,
<emphasis italics="true" pageId="0" pageNumber="317">pvsd</emphasis>
comb slightly differentiated; carpet-like field of bristle-like promedial (
<emphasis italics="true" pageId="0" pageNumber="317">pm</emphasis>
) setae narrow (Fig.
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">16C</figureCitation>
). Stridulatory plate longer than high, occupying approximately two-thirds of the prolateral surface of manus (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14D</figureCitation>
); stridulatory apparatus consisting of eleven distinct ridges approximately parallel to the manus ventral surface (Fig.
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">16C</figureCitation>
); most ridges not reaching the limit with the
<emphasis italics="true" pageId="0" pageNumber="317">pm</emphasis>
setae field. Distal limit of the prolateral setose area of movable finger reaching the level of MSM tooth; movable finger prodorsal (
<emphasis italics="true" pageId="0" pageNumber="317">mpd</emphasis>
) setal series consisting of plumose setae (similar to the
<emphasis italics="true" pageId="0" pageNumber="317">pvd</emphasis>
setae), adjacent to abundant non-plumose setae of the movable finger promedial (
<emphasis italics="true" pageId="0" pageNumber="317">mpm</emphasis>
) and proventral (
<emphasis italics="true" pageId="0" pageNumber="317">mpv</emphasis>
) setal series. -
<emphasis bold="true" pageId="0" pageNumber="317">Chelicera-flagellum.</emphasis>
Of the composite type, without shaft. A thin, translucent, membranous structure immovably attached prodorsally to the fixed finger (Figs
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14F</figureCitation>
,
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15A</figureCitation>
); flagellar base general aspect bowl-shaped, long and narrow, with apex reaching about two thirds of the mucron length; prolateral surface with plumose setiform organ arising from the center of the flagellar base (Figs
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14F</figureCitation>
,
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (A) and closeup of the plumose setiform organ (B), stridulatory apparatus, prolateral aspect (C), movable finger, retrolateral aspect (D). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317">16A, B</figureCitation>
); plumose setiform organ robust basally, long, progressively narrowing distally, its apex almost reaching the apex of the flagellar base, covered with acuminate fringes over distal two thirds of its length; other than fringes on the plumose setiform organ, the flagellum is predominantly smooth; flagellum dorsal margin visible over the prodorsal carina in retrolateral aspect; attachment point elliptical, horizontally elongated, placed at level of the PFM tooth. -
<emphasis bold="true" pageId="0" pageNumber="317">Pedipalp.</emphasis>
All segments coated with abundant short and delicate setae (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (A) and close-up of cleavage plane proximally on femur (B) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (C) and retrolateral (D) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D)." figureDoi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317">17A</figureCitation>
); those on ventral surface of tibia, basitarsus, and telotarsus stouter and more distinct than those on other surfaces. Proventral surface of femur with some spicule-like, somewhat spiniform macrosetae similar to those on propeltidium (Fig.
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Xenotrecha huebneri (Kraepelin, 1899), habitus, dorsal aspect (A, B), propeltidium (C, D). A, C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B, D ♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D)." figureDoi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317">12A</figureCitation>
); tibia with proventral and retroventral rows of six spiniform setae each, which are short and stout, distributed along distal two thirds of tibia, in addition to a basal pair of conspicuous, thinner, and slightly longer setae (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (A) and close-up of cleavage plane proximally on femur (B) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (C) and retrolateral (D) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D)." figureDoi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317">17A</figureCitation>
); basitarsus with proventral and retroventral rows of eight and eleven spiniform setae, respectively, similar to those on tibia; telotarsus without spiniform setae. Femur, tibia, basitarsus, and telotarsus with few long thin setae; clubbed setae apparently absent. Retroventral surface of femur proximally with a suture-like cleavage plane (Figs
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (A) and close-up of cleavage plane proximally on femur (B) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (C) and retrolateral (D) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D)." figureDoi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317">17</figureCitation>
,
<figureCitation captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Xenotrecha huebneri (Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil, scanning electron micrographs of cleavage plane on healed severed stump (post-autotomy in nature) of dextral pedipalp femur, retrolateral aspect (A) and close-up of edge (B), inclined, anterior aspect (C) and close-up of pointy process on prolateral part of stump (D). Scale bars = 0.5 mm (A, C), 0.1 mm (B), 0.2 mm (D)." figureDoi="10.3897/asp.81.e95181.figure18" httpUri="https://binary.pensoft.net/fig/833400" pageId="0" pageNumber="317">18</figureCitation>
). Telotarsus retrodorsal pore area, if present, not visible under light stereomicroscopy. -
<emphasis bold="true" pageId="0" pageNumber="317">Leg I.</emphasis>
All segments coated with abundant short and delicate setae similar to those on pedipalps, without stout or spiniform setae; tibia and basitarsus with few long thin setae. Telotarsus without claws or spiniform setae; retrodorsal pore area, if present, not visible under light stereomicroscopy. -
<emphasis bold="true" pageId="0" pageNumber="317">Walking legs.</emphasis>
Covered with abundant short and delicate setae, in addition to a few long setae like those on pedipalps and legs I. Legs II and III: basitarsus with five spiniform setae: two proventral (distal and subdistal), one retroventral (distal), one retrolateral (subdistal), and one retrodorsal (distal); telotarsus bi-segmented (consisting of large basal and small distal segments), with proventral row of four spiniform setae and a retroventral row of three, in 2.2.2/1 pattern. Leg IV: basitarsus with row of three proventral and one distal retroventral spiniform setae, in 1.1.2 pattern; telotarsus 3-segmented (the two segmentation lines are complete), with proventral and retroventral rows of four spiniform setae each, in 2.2.2/2/0 pattern. -
<emphasis bold="true" pageId="0" pageNumber="317">Opisthosoma.</emphasis>
Tergites with abundant setae similar to those on propeltidium; setation of the sternites comparable to that of coxae. Ctenidia present on 1st and 2nd post-genital sternites (spiracular sternites I and II) (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13C</figureCitation>
); ctenidia short, in the form of abundant, lanceolate setae irregularly distributed on the sternites; other sternites without ctenidia.
</paragraph>
<caption doi="10.3897/asp.81.e95181.figure11" httpUri="https://binary.pensoft.net/fig/833393" pageId="0" pageNumber="317" start="Figure 11" startId="F11">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 11.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), live habitus of adults at Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil.
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
♂ (CHNUFPI 1247).
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
♀ (CHNUFPI 1249).
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure12" httpUri="https://binary.pensoft.net/fig/833394" pageId="0" pageNumber="317" start="Figure 12" startId="F12">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 12.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), habitus, dorsal aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
), propeltidium (
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil.
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
♀ (CHNUFPI 1248), same locality. Scale bars = 2 mm (A, B), 1 mm (C, D).
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317" start="Figure 13" startId="F13">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 13.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
), anterior part of coxosternal region, ventral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
) [note the severed dextral pedipalp], ctenidia on 2nd post-genital sternite (
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
), genital plate, ventral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="317">A-C</emphasis>
♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil.
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C).
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317" start="Figure 14" startId="F14">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 14.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), dextral chelicera, retrolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
) and close-up of fingers (
<emphasis bold="true" pageId="0" pageNumber="317">E</emphasis>
), prolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
) and close-up of flagellum (
<emphasis bold="true" pageId="0" pageNumber="317">F</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
,
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
♀ (CHNUFPI 1248), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil.
<emphasis bold="true" pageId="0" pageNumber="317">C-F</emphasis>
♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth.
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317" start="Figure 15" startId="F15">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 15.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), sinistral (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
) and dextral (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
) chelicera, fixed finger, ventral aspect.
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil.
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth.
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure16" httpUri="https://binary.pensoft.net/fig/833398" pageId="0" pageNumber="317" start="Figure 16" startId="F16">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 16.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil, sinistral chelicera, flagellum, prolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
) and closeup of the plumose setiform organ (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
), stridulatory apparatus, prolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
), movable finger, retrolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
). Scale bars = 0.2 mm (A), 0.1 mm (B), 0.5 mm (C, D).
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure17" httpUri="https://binary.pensoft.net/fig/833399" pageId="0" pageNumber="317" start="Figure 17" startId="F17">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 17.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil, sinistral pedipalp, retrolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
) and close-up of cleavage plane proximally on femur (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
) [indicated by arrow], healed severed stump of dextral pedipalp femur (post-autotomy in nature), retrodorsal (
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
) and retrolateral (
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
) aspects. Scale bars = 1 mm (A), 0.5 mm (B-D).
</paragraph>
</caption>
<caption doi="10.3897/asp.81.e95181.figure18" httpUri="https://binary.pensoft.net/fig/833400" pageId="0" pageNumber="317" start="Figure 18" startId="F18">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 18.</emphasis>
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899), ♂ (CHNUFPI 1247), Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil, scanning electron micrographs of cleavage plane on healed severed stump (post-autotomy in nature) of dextral pedipalp femur, retrolateral aspect (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
) and close-up of edge (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
), inclined, anterior aspect (
<emphasis bold="true" pageId="0" pageNumber="317">C</emphasis>
) and close-up of pointy process on prolateral part of stump (
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
). Scale bars = 0.5 mm (A, C), 0.1 mm (B), 0.2 mm (D).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="description">
<paragraph pageId="0" pageNumber="317">Supplementary description of female.</paragraph>
<paragraph pageId="0" pageNumber="317">
Based on nontype female from Vila
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
(CHNUFPI 1248). Measurements in Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements (mm) for Eutrecha belenensis sp. nov., Eutrecha florezi Villareal-Blanco, Armas and Martinez, 2017, and Xenotrecha huebneri (Kraepelin, 1899). Material deposited in the Colecao de Historia Natural, Universidade Federal do Piaui (CHNUFPI), Floriano, Brazil; the Instituto de Investigacion de Recursos Biologicos &quot; Alexander von Humboldt &quot; (IAvH), Villa de Leyva, Colombia; the Arachnological Collection of the Instituto de Ciencias Naturales (ICN), Universidad Nacional de Colombia, Bogota; the Museo Javeriano de Historia Natural &quot; Lorenzo Uribe, S. J., &quot; Pontificia Universidad Javeriana (MPUJ), Bogota. 1 Excludes chelicerae. 2 Excludes claws." httpUri="http://table.plazi.org/id/0CC0DB218EC0F9207105B5A155D1503B" pageId="0" pageNumber="317" tableUuid="0CC0DB218EC0F9207105B5A155D1503B">1</tableCitation>
. Similar to the male in most aspects, including size and general appearance. Pedipalps with short and stout spiniform setae on the ventral surface of basitarsus only, arranged in proventral and retroventral rows of seven and nine spiniform setae, respectively. Tegument setation similar to that of male; setae on dorsal surfaces of prosomal and opisthosomal shields, and on dorsal and retrolateral surfaces of the chelicerae and legs, weaker and more flexible. Opisthosoma without ctenidia. Genital plate posterior margin with deep median indentation (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Xenotrecha huebneri (Kraepelin, 1899), prosoma, anterolateral propeltidial lobe, lateral aspect (A), anterior part of coxosternal region, ventral aspect (B) [note the severed dextral pedipalp], ctenidia on 2 nd post-genital sternite (C), genital plate, ventral aspect (D). A-C ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. D ♀ (CHNUFPI 1249), same locality. Scale bars = 0.5 mm (A, D), 1 mm (B), 0.2 mm (C)." figureDoi="10.3897/asp.81.e95181.figure13" httpUri="https://binary.pensoft.net/fig/833395" pageId="0" pageNumber="317">13D</figureCitation>
); posteromedian region conspicuously glabrous and shiny, with a central pocket. Chelicera without the secondary sexual characteristics of males (Figs
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14A, B</figureCitation>
,
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15B</figureCitation>
). Stridulatory apparatus with all the ridges parallel to each other and to the manus ventral surface, as in male (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14B</figureCitation>
); ridges short, progressively occupying a more distal position the more dorsal they are. Fixed finger, lateral aspect with distinct and pronounced angular dorsal crest at level of the RFM tooth (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14A, B</figureCitation>
); retrolateral carina (FRLC) evident, as in male (Fig.
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Xenotrecha huebneri (Kraepelin, 1899), sinistral (A) and dextral (B) chelicera, fixed finger, ventral aspect. A ♂ (CHNUFPI 1247), Serra do Tepequem, Roraima State, Brazil. B ♀ (CHNUFPI 1248), same locality. Scale bars = 0.5 mm. Arrow in A indicates hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure15" httpUri="https://binary.pensoft.net/fig/833397" pageId="0" pageNumber="317">15B</figureCitation>
). Fixed finger without FSD tooth; mucron short and tooth-like (i.e., ventral margin sublinear), without subterminal teeth (FST). Movable finger with MP, MM, and MSM teeth, MP being largest and MSM smallest (Fig.
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Xenotrecha huebneri (Kraepelin, 1899), dextral chelicera, retrolateral aspect (A, C) and close-up of fingers (E), prolateral aspect (B, D) and close-up of flagellum (F). A, B ♀ (CHNUFPI 1248), Serra do Tepequem, Roraima State, Brazil. C-F ♂ (CHNUFPI 1247), same locality. Scale bars = 1 mm (A-D), 0.5 mm (E), 0.2 mm (F). Arrows in C-F indicate the position of hole left by broken FD tooth." figureDoi="10.3897/asp.81.e95181.figure14" httpUri="https://binary.pensoft.net/fig/833396" pageId="0" pageNumber="317">14A</figureCitation>
); MM tooth not displaced distally. Movable finger prolateral carina (MPLC) ending in small but distinct prolateral (MPL) tooth, which is less than half the size of the MSM tooth. Retrolateral longitudinal carina (MRLC) consisting of abundant granules; gnathal edge carina and retroventral longitudinal carina (MRVC) evident; subproximal (MSP) and subterminal (MST) teeth absent.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="variability">
<paragraph pageId="0" pageNumber="317">Variability.</paragraph>
<paragraph pageId="0" pageNumber="317">One female (CHNUFPI 1248) has nine spiniform setae on the retroventral series of the pedipalp basitarsi, whereas the other female (CHNUFPI 1249) has ten.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="distribution">
<paragraph pageId="0" pageNumber="317">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="317">
Originally described from an unspecified locality in southern Venezuela (
<bibRefCitation author="Kraepelin, K" journalOrPublisher="Mitteilungen aus dem Naturhistorischen Museum in Hamburg" pageId="0" pageNumber="317" pagination="195 - 258" refId="B22" refString="Kraepelin, K, 1899. Zur Systematik der Solifugen. Mitteilungen aus dem Naturhistorischen Museum in Hamburg 16: 195 - 258" title="Zur Systematik der Solifugen." volume="16" year="1899">Kraepelin 1899</bibRefCitation>
),
<taxonomicName lsidName="X. huebneri" pageId="0" pageNumber="317" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">X. huebneri</emphasis>
</taxonomicName>
has also been recorded from the Henri Pittier National Park and Pardillar, respectively in the states of Aragua and Carabobo (
<bibRefCitation author="Maury, EA" journalOrPublisher="Journal of Arachnology" pageId="0" pageNumber="317" pagination="123 - 143" refId="B28" refString="Maury, EA, 1982. Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae). Journal of Arachnology 10: 123 - 143" title="Solifugos de Colombia y Venezuela (Solifugae, Ammotrechidae)." volume="10" year="1982">Maury 1982</bibRefCitation>
), and from El
<normalizedToken originalValue="Rincón">Rincon</normalizedToken>
, in the state of Sucre (
<bibRefCitation author="Rocha, LS" journalOrPublisher="Newsletter of the British Arachnological Society" pageId="0" pageNumber="317" pagination="4 - 5" refId="B37" refString="Rocha, LS, Cancello, EM, 2002a. South American Solifugae: New records, occurrence in humid forest and concurrence with termites. Newsletter of the British Arachnological Society 93: 4 - 5" title="South American Solifugae: New records, occurrence in humid forest and concurrence with termites." volume="93" year="2002 a">Rocha and Cancello 2002a</bibRefCitation>
), all in northern Venezuela (Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Known records of Eutrecha Maury, 1982 (squares, circles and pentagons) and Xenotrecha Maury, 1982 (crosses). Records with question mark correspond to unconfirmed record from Suriname and the unprecise type locality of X. huebneri in the headwaters of the Orinoco River, in Venezuela. See text for details." figureDoi="10.3897/asp.81.e95181.figure1" httpUri="https://binary.pensoft.net/fig/833383" pageId="0" pageNumber="317">1</figureCitation>
). In Brazil, a record of
<taxonomicName authorityName="Maury" authorityYear="1982" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha</emphasis>
</taxonomicName>
(as &quot;
<taxonomicName authorityName="Maury" authorityYear="1982" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha</emphasis>
</taxonomicName>
sp.&quot;) has been presented from Furo do Firmino, southeastern
<normalizedToken originalValue="Maracá">Maraca</normalizedToken>
Island in the state of Roraima (
<bibRefCitation author="Rocha, LS" journalOrPublisher="Newsletter of the British Arachnological Society" pageId="0" pageNumber="317" pagination="4 - 5" refId="B37" refString="Rocha, LS, Cancello, EM, 2002a. South American Solifugae: New records, occurrence in humid forest and concurrence with termites. Newsletter of the British Arachnological Society 93: 4 - 5" title="South American Solifugae: New records, occurrence in humid forest and concurrence with termites." volume="93" year="2002 a">Rocha and Cancello 2002a</bibRefCitation>
), locality that is situated some 50 km south of Vila
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
(record here presented; Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Known records of Eutrecha Maury, 1982 (squares, circles and pentagons) and Xenotrecha Maury, 1982 (crosses). Records with question mark correspond to unconfirmed record from Suriname and the unprecise type locality of X. huebneri in the headwaters of the Orinoco River, in Venezuela. See text for details." figureDoi="10.3897/asp.81.e95181.figure1" httpUri="https://binary.pensoft.net/fig/833383" pageId="0" pageNumber="317">1</figureCitation>
). Records from Brazil are located some 350 km east of the headwaters of the Orinoco River, where the type specimen was most likely collected (
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4375.1.1" author="Harms, D" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" pagination="1 - 58" refId="B16" refString="Harms, D, Duperre, N, 2018. An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg. Zootaxa 4375 (1): 1 - 58, DOI: https://doi.org/10.11646/zootaxa.4375.1.1" title="An annotated type catalogue of the camel spiders (Arachnida: Solifugae) held in the Zoological Museum Hamburg." url="https://doi.org/10.11646/zootaxa.4375.1.1" volume="4375" year="2018">
Harms and
<normalizedToken originalValue="Dupérré">Duperre</normalizedToken>
2018
</bibRefCitation>
). An additional record of
<taxonomicName lsidName="X. huebneri" pageId="0" pageNumber="317" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">X. huebneri</emphasis>
</taxonomicName>
from an unspecified locality in Suriname was identified in the Global Information Facility (GBIF) (
<bibRefCitation DOI="https://doi.org/10.15468/63lozv" author="Goud, J" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" refId="B15" refString="Goud, J, van der Bijl, B, Creuwels, J, 2020. Naturalis Biodiversity Center (NL) - Chelicerata and Myriapoda. Naturalis Biodiversity Center. Occurrence dataset https://doi.org/10.15468/63lozv" title="Naturalis Biodiversity Center (NL) - Chelicerata and Myriapoda. Naturalis Biodiversity Center. Occurrence dataset" url="https://doi.org/10.15468/63lozv" year="2020">Goud et al. 2020</bibRefCitation>
), further extending the putative distribution of the genus far eastward.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="natural history">
<paragraph pageId="0" pageNumber="317">Natural history.</paragraph>
<paragraph pageId="0" pageNumber="317">
Specimens from Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
were collected at night. All specimens were found on
<taxonomicName class="Magnoliopsida" family="Dilleniaceae" genus="Curatella" kingdom="Plantae" lsidName="Curatella americana" order="Dilleniales" pageId="0" pageNumber="317" phylum="Tracheophyta" rank="species" species="americana">
<emphasis italics="true" pageId="0" pageNumber="317">Curatella americana</emphasis>
</taxonomicName>
L. (
<taxonomicName authorityName="Loefling" authorityYear="1758" class="Magnoliopsida" family="Dilleniaceae" kingdom="Plantae" lsidName="" order="Dilleniales" pageId="0" pageNumber="317" phylum="Tracheophyta" rank="family">Dilleniaceae</taxonomicName>
) tree trunks. One female (CHNUFPI 1249) was observed foraging, moving upwards in the tree trunk while inspecting small holes and under the tree barks, using both pedipalps to sense the surface (Fig.
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Xenotrecha huebneri (Kraepelin, 1899), live habitus of adults at Serra do Tepequem, Roraima State, Brazil. A ♂ (CHNUFPI 1247). B ♀ (CHNUFPI 1249)." figureDoi="10.3897/asp.81.e95181.figure11" httpUri="https://binary.pensoft.net/fig/833393" pageId="0" pageNumber="317">11B</figureCitation>
). The sampling locality (Fig.
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Landscape and habitat of Xenotrecha huebneri (Kraepelin, 1899) at Serra do Tepequem, Roraima State, Brazil. Note the dense vegetation (A), grasslands, and rocky outcrops (B - D) present in the area." figureDoi="10.3897/asp.81.e95181.figure19" httpUri="https://binary.pensoft.net/fig/833401" pageId="0" pageNumber="317">19</figureCitation>
) is a small tepui (reaching 1100 m), forested on its slopes and with savannas on the higher plateaus (
<bibRefCitation DOI="https://doi.org/10.5654/acta.v3i6.223" author="Almeida, DA" journalOrPublisher="Revista Acta Geografica" pageId="0" pageNumber="317" pagination="39 - 46" refId="B2" refString="Almeida, DA, Parente-Junior, WC, Beserra-Neta, LC, Costa, ML, 2009. Erodibilidade do solo e erosividade da chuva na serra do Tepequem - Roraima. Revista Acta Geografica 6: 39 - 46, DOI: https://doi.org/10.5654/acta.v3i6.223" title="Erodibilidade do solo e erosividade da chuva na serra do Tepequem - Roraima." url="https://doi.org/10.5654/acta.v3i6.223" volume="6" year="2009">Almeida et al. 2009</bibRefCitation>
). Several other specimens of
<taxonomicName lsidName="C. americana" pageId="0" pageNumber="317" rank="species" species="americana">
<emphasis italics="true" pageId="0" pageNumber="317">C. americana</emphasis>
</taxonomicName>
were inspected at other sampling localities in the municipalities of Boa Vista (
<geoCoordinate degrees="02" direction="south" minutes="52" orientation="latitude" precision="1" seconds="08.4" value="-2.8690002">02°5208.4″S</geoCoordinate>
<geoCoordinate degrees="60" direction="west" minutes="43" orientation="longitude" precision="1" seconds="13.1" value="-60.720306">60°4313.1″W</geoCoordinate>
, at ca. 90 m.a.s.l.) and Bonfim (
<geoCoordinate degrees="03" direction="south" minutes="16" orientation="latitude" precision="1" seconds="20.5" value="-3.272361">03°1620.5″S</geoCoordinate>
<geoCoordinate degrees="60" direction="west" minutes="03" orientation="longitude" precision="1" seconds="09.3" value="-60.05258">60°0309.3″W</geoCoordinate>
, at 140 m.a.s.l.), but no additional specimens of
<taxonomicName lsidName="X. huebneri" pageId="0" pageNumber="317" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">X. huebneri</emphasis>
</taxonomicName>
were detected at these localities. However, an unidentified
<taxonomicName authorityName="Banks" authorityYear="1900" class="Arachnida" family="Ammotrechidae" genus="Ammotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ammotrecha" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="317">Ammotrecha</emphasis>
</taxonomicName>
species was found in the inspected trees at Bonfim, locality that is situated close to the Brazil-Guiana border. The specimen of
<taxonomicName lsidName="X. huebneri" pageId="0" pageNumber="317" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">X. huebneri</emphasis>
</taxonomicName>
reported by
<bibRefCitation author="Rocha, LS" journalOrPublisher="Newsletter of the British Arachnological Society" pageId="0" pageNumber="317" pagination="4 - 5" refId="B37" refString="Rocha, LS, Cancello, EM, 2002a. South American Solifugae: New records, occurrence in humid forest and concurrence with termites. Newsletter of the British Arachnological Society 93: 4 - 5" title="South American Solifugae: New records, occurrence in humid forest and concurrence with termites." volume="93" year="2002 a">Rocha and Cancello (2002a)</bibRefCitation>
from El
<normalizedToken originalValue="Rincón">Rincon</normalizedToken>
was found inside of a dead tree-trunk in a forest with many lianas, whereas the specimen from
<normalizedToken originalValue="Maracá">Maraca</normalizedToken>
Island was collected in a forest inside of a termite mound of a possibly undescribed
<taxonomicName authorityName="Fontes" authorityYear="1982" class="Insecta" family="Termitidae" genus="Araujotermes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Araujotermes" order="Isoptera" pageId="0" pageNumber="317" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="317">Araujotermes</emphasis>
</taxonomicName>
Fontes, 1982 (
<taxonomicName authorityName="Fontes" authorityYear="1982" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="" order="Isoptera" pageId="0" pageNumber="317" phylum="Arthropoda" rank="order">Isoptera</taxonomicName>
,
<taxonomicName authorityName="Latreille" authorityYear="1802" class="Insecta" family="Termitidae" kingdom="Animalia" lsidName="" order="Blattodea" pageId="0" pageNumber="317" phylum="Arthropoda" rank="family">Termitidae</taxonomicName>
) species.
</paragraph>
<caption doi="10.3897/asp.81.e95181.figure19" httpUri="https://binary.pensoft.net/fig/833401" pageId="0" pageNumber="317" start="Figure 19" startId="F19">
<paragraph pageId="0" pageNumber="317">
<emphasis bold="true" pageId="0" pageNumber="317">Figure 19.</emphasis>
Landscape and habitat of
<taxonomicName baseAuthorityName="Kraepelin" baseAuthorityYear="1899" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha huebneri" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="species" species="huebneri">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha huebneri</emphasis>
</taxonomicName>
(Kraepelin, 1899) at Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
, Roraima State, Brazil. Note the dense vegetation (
<emphasis bold="true" pageId="0" pageNumber="317">A</emphasis>
), grasslands, and rocky outcrops (
<emphasis bold="true" pageId="0" pageNumber="317">B</emphasis>
-
<emphasis bold="true" pageId="0" pageNumber="317">D</emphasis>
) present in the area.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="materials_examined">
<paragraph pageId="0" pageNumber="317">Other material examined.</paragraph>
<paragraph pageId="0" pageNumber="317">
<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" country="BRAZIL" county="Amajari" elevation="640" latitude="-3.7862222" location="Vila Tepequem" longLatPrecision="1" longitude="-61.720917" municipality="Serra do Tepequem" specimenCount="1" specimenCount-male="1" stateProvince="Roraima">
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
</emphasis>
<specimenCount type="male">1 ♂</specimenCount>
;
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingRegion country="Brazil" name="Roraima">Roraima</collectingRegion>
</emphasis>
,
<collectingCounty>Amajari</collectingCounty>
,
<collectingMunicipality>
Serra do
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:A8E81F8B2F80524EA81B91C59301DE19:AF836FA001EB1E53AF87DA2BE3FF45A6" country="BRAZIL" county="Amajari" latitude="-3.7862222" longLatPrecision="1" longitude="-61.720917" municipality="Serra do Tepequem" name="Vila Tepequem" stateProvince="Roraima">
Vila
<normalizedToken originalValue="Tepequém">Tepequem</normalizedToken>
</location>
, near
<location LSID="urn:lsid:plazi:treatment:A8E81F8B2F80524EA81B91C59301DE19:ED4BCC4AB058776C13AD355349094A3C" country="BRAZIL" county="Amajari" latitude="-3.7862222" longLatPrecision="1" longitude="-61.720917" municipality="Serra do Tepequem" name="Pousada" stateProvince="Roraima">Pousada</location>
PSJ;
<geoCoordinate degrees="03" direction="south" minutes="47" orientation="latitude" precision="1" seconds="10.4" value="-3.7862222">03°4710.4″S</geoCoordinate>
<geoCoordinate degrees="61" direction="west" minutes="43" orientation="longitude" precision="1" seconds="15.3" value="-61.720917">61°4315.3″W</geoCoordinate>
;
<specimenCount type="generic">
<quantity metricMagnitude="2" metricUnit="m" metricValue="6.4" unit="m" value="640.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="6.4" unit="m" value="640.0">640 m</elevation>
</quantity>
.
</specimenCount>
</materialsCitation>
a.s.l.;
<date value="2014-07-17">17 Jul 2014</date>
; J.
<normalizedToken originalValue="Cabra-García">Cabra-Garcia</normalizedToken>
leg.; CHNUFPI 1247; •
<materialsCitation collectingDate="2023-01-01" collectingDateMax="2023-12-31" collectingDateMin="2023-01-01" collectorName="L. S. Carvalho" country="Brazil" county="Amajari" elevation="640" latitude="-3.7862222" location="Vila Tepequem" longLatPrecision="1" longitude="-61.720917" municipality="Serra do Tepequem" specimenCount="2" specimenCount-female="2" stateProvince="Roraima">
<specimenCount type="female">2 ♀♀</specimenCount>
; same data, except:
<collectorName>L.S. Carvalho</collectorName>
leg.; CHNUFPI 1248-1249
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="317" type="materials_examined">
<paragraph pageId="0" pageNumber="317">Literature records (material not examined).</paragraph>
<paragraph pageId="0" pageNumber="317">
<materialsCitation collectingDate="1986-11-01" collectorName="E. M. Cancello, C. R. F. Brandao" country="BRAZIL" county="Alto Alegre" latitude="3.3999999" location="Uraricoera River" longLatPrecision="21" longitude="-61.433334" municipality="southeastern Maraca Island" specimenCount="1" stateProvince="Roraima">
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
</emphasis>
• 1 sex not specified;
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingRegion country="Brazil" name="Roraima">Roraima</collectingRegion>
</emphasis>
,
<collectingCounty>Alto Alegre</collectingCounty>
,
<collectingMunicipality>
southeastern
<normalizedToken originalValue="Maracá">Maraca</normalizedToken>
Island
</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:A8E81F8B2F80524EA81B91C59301DE19:D6013D87B2C309C1C1955B2603AFE484" country="BRAZIL" county="Alto Alegre" latitude="3.3999999" longLatPrecision="21" longitude="-61.433334" municipality="southeastern Maraca Island" name="Uraricoera River" stateProvince="Roraima">Uraricoera River</location>
,
<location LSID="urn:lsid:plazi:treatment:A8E81F8B2F80524EA81B91C59301DE19:F9339EFFF7EBB05FDA8F17BFAE92C266" country="BRAZIL" county="Alto Alegre" latitude="3.3999999" longLatPrecision="21" longitude="-61.433334" municipality="southeastern Maraca Island" name="Furo do Firmino" stateProvince="Roraima">Furo do Firmino</location>
;
<geoCoordinate degrees="03" direction="north" minutes="23" orientation="latitude" precision="15" seconds="60" value="3.3999999">03°2360″N</geoCoordinate>
<geoCoordinate degrees="61" direction="west" minutes="25" orientation="longitude" precision="15" seconds="60" value="-61.433334">61°2560″W</geoCoordinate>
;
<collectingDate value="1986-11-01">01 Nov 1986</collectingDate>
,
<collectorName>E.M. Cancello</collectorName>
and
<collectorName>
C.R.F.
<normalizedToken originalValue="Brandão">Brandao</normalizedToken>
</collectorName>
leg.; MZUSP 14295; listed as &quot;
<taxonomicName authorityName="Maury" authorityYear="1982" class="Arachnida" family="Ammotrechidae" genus="Xenotrecha" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Xenotrecha" order="Solifugae" pageId="0" pageNumber="317" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="317">Xenotrecha</emphasis>
</taxonomicName>
sp.&quot;
</materialsCitation>
<materialsCitation collectingDate="1959-08-07" country="SURINAME" location="SURINAME" specimenCount="1">
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingCountry name="Suriname">SURINAME</collectingCountry>
</emphasis>
• 1 sex not specified;
<collectingDate value="1959-08-07">07 Aug 1959</collectingDate>
; RMNH.SOL.11; gbifID 2434367917
</materialsCitation>
;
<materialsCitation collectingDate="1987-09-27" collectorName="El Rincon, O. F. F. Souza, These" country="VENEZUELA" latitude="10.637222" location="El Rincon" longLatPrecision="21" longitude="-64.23583" specimenCount="1" stateProvince="Sucre">
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingCountry name="Venezuela">VENEZUELA</collectingCountry>
</emphasis>
• 1 sex not specified;
<emphasis bold="true" pageId="0" pageNumber="317">
<collectingRegion country="Venezuela" name="Sucre">Sucre</collectingRegion>
</emphasis>
,
<collectorName>
<location LSID="urn:lsid:plazi:treatment:A8E81F8B2F80524EA81B91C59301DE19:B4658E8E3059D6FBE43E12E3F25850C5" country="VENEZUELA" latitude="10.637222" longLatPrecision="21" longitude="-64.23583" name="El Rincon" stateProvince="Sucre">
El
<normalizedToken originalValue="Rincón">Rincon</normalizedToken>
</location>
</collectorName>
;
<geoCoordinate degrees="10" direction="north" minutes="38" orientation="latitude" precision="15" seconds="14" value="10.637222">10°3814″N</geoCoordinate>
<geoCoordinate degrees="64" direction="west" minutes="14" orientation="longitude" precision="15" seconds="09" value="-64.23583">64°1409″W</geoCoordinate>
;
<collectingDate value="1987-09-27">27 Sep 1987</collectingDate>
;
<collectorName>O.F.F. Souza</collectorName>
leg.; MZUSP 14296.
<collectorName>These</collectorName>
records were obtained from
<bibRefCitation author="Rocha, LS" journalOrPublisher="Newsletter of the British Arachnological Society" pageId="0" pageNumber="317" pagination="4 - 5" refId="B37" refString="Rocha, LS, Cancello, EM, 2002a. South American Solifugae: New records, occurrence in humid forest and concurrence with termites. Newsletter of the British Arachnological Society 93: 4 - 5" title="South American Solifugae: New records, occurrence in humid forest and concurrence with termites." volume="93" year="2002 a">Rocha and Cancello (2002a)</bibRefCitation>
and
<bibRefCitation DOI="https://doi.org/10.15468/63lozv" author="Goud, J" journalOrPublisher="Zootaxa" pageId="0" pageNumber="317" refId="B15" refString="Goud, J, van der Bijl, B, Creuwels, J, 2020. Naturalis Biodiversity Center (NL) - Chelicerata and Myriapoda. Naturalis Biodiversity Center. Occurrence dataset https://doi.org/10.15468/63lozv" title="Naturalis Biodiversity Center (NL) - Chelicerata and Myriapoda. Naturalis Biodiversity Center. Occurrence dataset" url="https://doi.org/10.15468/63lozv" year="2020">Goud et al. (2020)</bibRefCitation>
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>