treatments-xml/data/03/FC/1A/03FC1A09FFFBF740FF024BFA08E3FE88.xml
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<document id="825C2A6D64A834C64BCC2F357739E7E4" ID-DOI="10.5281/zenodo.5352440" ID-ISSN="1942-1354" ID-Zenodo-Dep="5352440" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630208260396" checkinUser="felipe" docAuthor="Alvarez, Héctor Jaime Gasca, da, Claudio Ruy Vasconcelos, Fonseca &amp; Ratcliffe, Brett C." docDate="2008" docId="03FC1A09FFFBF740FF024BFA08E3FE88" docLanguage="en" docName="0061.pdf" docOrigin="Insecta Mundi 2008 (61)" docStyle="DocumentStyle:A87B5EC635B7D5A430FC1D805C706BD1.3:InsectaMundi.2007-2008.journal_article" docStyleId="A87B5EC635B7D5A430FC1D805C706BD1" docStyleName="InsectaMundi.2007-2008.journal_article" docStyleVersion="3" docTitle="Megaceras stuebeli Kirsch 1885" docType="treatment" docVersion="3" lastPageNumber="38" masterDocId="FFC56271FFDFF767FFC24F620949FFF3" masterDocTitle="Synopsis of the Oryctini (Coleoptera: Scarabaeidae: Dynastinae) from the Brazilian Amazon" masterLastPageNumber="62" masterPageNumber="1" pageNumber="35" updateTime="1699185735107" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="782FC5B59C577D64A4845D553B4B89AD">Synopsis of the Oryctini (Coleoptera: Scarabaeidae: Dynastinae) from the Brazilian Amazon</mods:title>
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<mods:namePart id="C3C44D13A5AAC29F9075666464B86B2E">Alvarez, Héctor Jaime Gasca</mods:namePart>
<mods:affiliation id="96A0DD79D5E075B7AD865AE2D9596070">Instituto Nacional de Pesquisas da Amazônia-INPA Coordenação de Pesquisas em Entomologia Av. André Araújo, 2936 - Petrópolis CEP 69011 - 970 Manaus, Amazonas, Brazil</mods:affiliation>
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<mods:namePart id="DE8B3B9BE0248D914FD81882FA01EE9A">da, Claudio Ruy Vasconcelos</mods:namePart>
<mods:affiliation id="DB4EE3F77A997947C4AF5CF313671D6B">Instituto Nacional de Pesquisas da Coordenação de Pesquisas em Av. André Araújo, 2936 - Petrópolis CEP 69011 - 970 Manaus, Amazonas</mods:affiliation>
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<mods:namePart id="8FE7DD642A7BAFA9DF8F6DD8DB8526EC">Fonseca</mods:namePart>
<mods:affiliation id="3BA8E0B99EB52840FF2D57A786B92114">Amazônia-INPA Entomologia Petrópolis, Brazil</mods:affiliation>
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<mods:namePart id="16C76D794DD36E3EC776CDD448402227">Ratcliffe, Brett C.</mods:namePart>
<mods:affiliation id="71C4E4AE1E46D7CC2B13C8F205581A98">University of Nebraska State Museum W 436 Nebraska Hall Lincoln, NE 68588 - 0514, USA</mods:affiliation>
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<mods:title id="20839FE47D89441C155278929AE9C5AD">Insecta Mundi</mods:title>
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<mods:part id="5D1F7CA2C700A5350E0C18066602B81E">
<mods:date id="9F2935B00BEDD86477B942A46379AD37">2008</mods:date>
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<mods:number id="AF412D91D15D1D5A91CF77AEA93D9085">2008</mods:number>
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<subSubSection id="C34FF894FFFBF743FF024BFA0B2DFB43" box="[192,612,1176,1200]" pageId="36" pageNumber="35" type="nomenclature">
<paragraph id="8BEAAB1FFFFBF743FF024BFA0B2DFB43" blockId="36.[192,612,1176,1200]" box="[192,612,1176,1200]" pageId="36" pageNumber="35">
<heading id="D0A21C73FFFBF743FF024BFA0B2DFB43" bold="true" box="[192,612,1176,1200]" fontSize="10" level="2" pageId="36" pageNumber="35" reason="4">
<taxonomicName id="4C55D09CFFFBF743FF024BFA0B2DFB43" authority="Kirsch 1885" authorityName="Kirsch" authorityYear="1885" box="[192,612,1176,1200]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="36" pageNumber="35" phylum="Arthropoda" rank="species" species="stuebeli">
<emphasis id="B921770DFFFBF743FF024BFA0B2DFB43" bold="true" box="[192,612,1176,1200]" pageId="36" pageNumber="35">
<emphasis id="B921770DFFFBF743FF024BFA088BFB43" bold="true" box="[192,450,1176,1200]" italics="true" pageId="36" pageNumber="35">Megaceras stuebeli</emphasis>
<bibRefCitation id="EFC4D6EEFFFBF743FE044BFA0B2DFB43" author="Kirsch, T. F. W." box="[454,612,1176,1200]" pageId="36" pageNumber="35" pagination="207 - 224" refId="ref25833" refString="Kirsch, T. F. W. 1885. Neue sudamerikanische Kafer. Berliner Entomologische Zeitschrift 29: 207 - 224." type="journal article" year="1885">Kirsch 1885</bibRefCitation>
</emphasis>
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</paragraph>
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<subSubSection id="C34FF894FFFBF743FF024BDA0801FB23" box="[192,328,1208,1232]" pageId="36" pageNumber="35" type="description">
<paragraph id="8BEAAB1FFFFBF743FF024BDA0801FB23" blockId="36.[192,328,1208,1232]" box="[192,328,1208,1232]" pageId="36" pageNumber="35">
(
<figureCitation id="136EB79AFFFBF743FF0B4BDA0876FB23" box="[201,319,1208,1232]" captionStart-0="Figure 65-70" captionStart-1="Figure 71" captionStartId-0="37.[189,273,1865,1887]" captionStartId-1="38.[190,274,1102,1124]" captionTargetBox-0="[247,1364,243,1746]" captionTargetBox-1="[205,1428,203,1072]" captionTargetId-0="figure-15@37.[187,1443,231,1773]" captionTargetId-1="figure-296@38.[190,1445,193,1080]" captionTargetPageId-0="37" captionTargetPageId-1="38" captionText-0="Figure 65-70. Megaceras stuebeli. 65) Habitus. 66) Male head (dorsal view). 67) Male major. 68) Male minor (scale line: 5 mm). 69) Parameres frontal view. 70) Parameres lateral view (scale line: 1 mm)." captionText-1="Figure 71. Distribution of Megaceras stuebeli in Brazilian Amazonia." figureDoi-0="http://doi.org/10.5281/zenodo.5352490" figureDoi-1="http://doi.org/10.5281/zenodo.5352492" httpUri-0="https://zenodo.org/record/5352490/files/figure.png" httpUri-1="https://zenodo.org/record/5352492/files/figure.png" pageId="36" pageNumber="35">Fig. 65-71</figureCitation>
)
</paragraph>
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<subSubSection id="C34FF894FFFBF743FF024B9B0D81FAC3" pageId="36" pageNumber="35" type="reference_group">
<paragraph id="8BEAAB1FFFFBF743FF024B9B0B3CFAE3" blockId="36.[192,1224,1272,1328]" box="[192,629,1272,1296]" pageId="36" pageNumber="35">
<treatmentCitationGroup id="AB458C31FFFBF743FF024B9B0B3CFAE3" box="[192,629,1272,1296]" pageId="36" pageNumber="35">
<treatmentCitation id="0AF48D0EFFFBF743FF024B9B0B3CFAE3" author="Kirsch, T. F. W." box="[192,629,1272,1296]" page="223" pageId="36" pageNumber="35" year="1885">
<taxonomicName id="4C55D09CFFFBF743FF024B9B0B3CFAE3" authority="Kirsch 1885: 223" authorityName="Kirsch" authorityPageNumber="223" authorityYear="1885" box="[192,629,1272,1296]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="36" pageNumber="35" phylum="Arthropoda" rank="species" species="stuebeli">
<emphasis id="B921770DFFFBF743FF024B9B08ECFAE3" box="[192,421,1272,1296]" italics="true" pageId="36" pageNumber="35">Megaceras stuebeli</emphasis>
<bibRefCitation id="EFC4D6EEFFFBF743FE6B4B9A0B3CFAE3" author="Kirsch, T. F. W." box="[425,629,1272,1296]" pageId="36" pageNumber="35" pagination="207 - 224" refId="ref25833" refString="Kirsch, T. F. W. 1885. Neue sudamerikanische Kafer. Berliner Entomologische Zeitschrift 29: 207 - 224." type="journal article" year="1885">Kirsch 1885: 223</bibRefCitation>
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</paragraph>
<paragraph id="8BEAAB1FFFFBF743FF024A7B0D81FAC3" blockId="36.[192,1224,1272,1328]" box="[192,1224,1304,1328]" pageId="36" pageNumber="35">
<treatmentCitationGroup id="AB458C31FFFBF743FF024A7B0D81FAC3" box="[192,1224,1304,1328]" pageId="36" pageNumber="35">
<treatmentCitation id="0AF48D0EFFFBF743FF024A7B0A67FAC3" author="Frings, C. F." box="[192,814,1304,1328]" page="21" pageId="36" pageNumber="35" year="1929">
<taxonomicName id="4C55D09CFFFBF743FF024A7B0A67FAC3" authority="Frings 1929: 21" authorityName="Frings" authorityPageNumber="21" authorityYear="1929" box="[192,814,1304,1328]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="36" pageNumber="35" phylum="Arthropoda" rank="subSpecies" species="chorinaeus" subSpecies="amazonicum">
<emphasis id="B921770DFFFBF743FF024A7B0B27FAC3" box="[192,622,1304,1328]" italics="true" pageId="36" pageNumber="35">Megaceras chorinaeus amazonicum</emphasis>
<bibRefCitation id="EFC4D6EEFFFBF743FDB14A7A0A67FAC3" author="Frings, C. F." box="[627,814,1304,1328]" pageId="36" pageNumber="35" pagination="1" refId="ref25253" refString="Frings, C. F. 1929. Megaceras chorinaeus L. Societe Entomologique 44: 1." type="journal article" year="1929">Frings 1929: 21</bibRefCitation>
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(synonym, described as variation)
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</paragraph>
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<subSubSection id="C34FF894FFFBF741FF024A3A0D5BFB00" lastPageId="38" lastPageNumber="37" pageId="36" pageNumber="35" type="description">
<paragraph id="8BEAAB1FFFFBF743FF024A3A0BCDFA63" blockId="36.[192,1441,1368,1872]" pageId="36" pageNumber="35">
<emphasis id="B921770DFFFBF743FF024A3A08D0FA83" bold="true" box="[192,409,1368,1392]" pageId="36" pageNumber="35">DESCRIPTION.</emphasis>
Length:
<quantity id="4CAD06FAFFFBF743FDC14A3A0BE1FA83" box="[515,680,1368,1392]" metricMagnitude="-2" metricUnit="m" metricValue="5.24" metricValueMax="6.2299999999999995" metricValueMin="4.25" pageId="36" pageNumber="35" unit="mm" value="52.4" valueMax="62.3" valueMin="42.5">42.5-62.3 mm</quantity>
(males);
<quantity id="4CAD06FAFFFBF743FCD64A3A0AF0FA83" box="[788,953,1368,1392]" metricMagnitude="-2" metricUnit="m" metricValue="4.575" metricValueMax="5.22" metricValueMin="3.9299999999999997" pageId="36" pageNumber="35" unit="mm" value="45.75" valueMax="52.2" valueMin="39.3">39.3-52.2 mm</quantity>
(females). Width:
<quantity id="4CAD06FAFFFBF743FB564A3A0C70FA83" box="[1172,1337,1368,1392]" metricMagnitude="-2" metricUnit="m" metricValue="2.665" metricValueMax="3.21" metricValueMin="2.12" pageId="36" pageNumber="35" unit="mm" value="26.65" valueMax="32.1" valueMin="21.2">21.2-32.1 mm</quantity>
(males);
<quantity id="4CAD06FAFFFBF743FF024A1A082CFA63" box="[192,357,1400,1424]" metricMagnitude="-2" metricUnit="m" metricValue="2.5149999999999997" metricValueMax="2.88" metricValueMin="2.15" pageId="36" pageNumber="35" unit="mm" value="25.15" valueMax="28.8" valueMin="21.5">21.5-28.8 mm</quantity>
(females). Color: Black.
</paragraph>
<paragraph id="8BEAAB1FFFFBF743FF324AFA0D2BF8A3" blockId="36.[192,1441,1368,1872]" pageId="36" pageNumber="35">
<emphasis id="B921770DFFFBF743FF324AFA0800FA43" bold="true" box="[240,329,1432,1456]" pageId="36" pageNumber="35">Males.</emphasis>
<emphasis id="B921770DFFFBF743FE924AFA08DBFA43" box="[336,402,1432,1456]" italics="true" pageId="36" pageNumber="35">Head</emphasis>
: Frons with long, recurved horn, apex strongly bifurcated, posterior margin of horn with small, tooth-like swelling near apex. Eye canthus with rounded apex, margin weakly crenulate, surface finely punctate. Clypeus truncate, border weakly crenulate, apex slightly bilobed (
<figureCitation id="136EB79AFFFBF743FAC74ABA0C12FA03" box="[1285,1371,1496,1520]" captionStart="Figure 65-70" captionStartId="37.[189,273,1865,1887]" captionTargetBox="[247,1364,243,1746]" captionTargetId="figure-15@37.[187,1443,231,1773]" captionTargetPageId="37" captionText="Figure 65-70. Megaceras stuebeli. 65) Habitus. 66) Male head (dorsal view). 67) Male major. 68) Male minor (scale line: 5 mm). 69) Parameres frontal view. 70) Parameres lateral view (scale line: 1 mm)." figureDoi="http://doi.org/10.5281/zenodo.5352490" httpUri="https://zenodo.org/record/5352490/files/figure.png" pageId="36" pageNumber="35">Fig. 66</figureCitation>
), surface finely rugose. Antenna with 10 segments, club subequal in length to segments 2-7. Mandibles with 2 teeth, external tooth larger, with rounded apex, internal teeth with apex acuminate.
<emphasis id="B921770DFFFBF743FB01497B0C74F9C3" box="[1219,1341,1561,1584]" italics="true" pageId="36" pageNumber="35">Pronotum</emphasis>
: Majors (
<figureCitation id="136EB79AFFFBF743FF0B495A0854F9A3" box="[201,285,1592,1616]" captionStart="Figure 65-70" captionStartId="37.[189,273,1865,1887]" captionTargetBox="[247,1364,243,1746]" captionTargetId="figure-15@37.[187,1443,231,1773]" captionTargetPageId="37" captionText="Figure 65-70. Megaceras stuebeli. 65) Habitus. 66) Male head (dorsal view). 67) Male major. 68) Male minor (scale line: 5 mm). 69) Parameres frontal view. 70) Parameres lateral view (scale line: 1 mm)." figureDoi="http://doi.org/10.5281/zenodo.5352490" httpUri="https://zenodo.org/record/5352490/files/figure.png" pageId="36" pageNumber="35">Fig. 67</figureCitation>
) with large, high, bifurcated protuberance, apex with 2 divergent horns strongly curved downward, fovea broad. Lateral margins with a band of spaced rugae, rugae connected to
<emphasis id="B921770DFFFBF743FB18493A0CD0F983" box="[1242,1433,1624,1648]" italics="true" pageId="36" pageNumber="35">areola apposita</emphasis>
. Minors (
<figureCitation id="136EB79AFFFBF743FEE4491A0833F963" box="[294,378,1656,1680]" captionStart="Figure 65-70" captionStartId="37.[189,273,1865,1887]" captionTargetBox="[247,1364,243,1746]" captionTargetId="figure-15@37.[187,1443,231,1773]" captionTargetPageId="37" captionText="Figure 65-70. Megaceras stuebeli. 65) Habitus. 66) Male head (dorsal view). 67) Male major. 68) Male minor (scale line: 5 mm). 69) Parameres frontal view. 70) Parameres lateral view (scale line: 1 mm)." figureDoi="http://doi.org/10.5281/zenodo.5352490" httpUri="https://zenodo.org/record/5352490/files/figure.png" pageId="36" pageNumber="35">Fig. 68</figureCitation>
) with smaller protuberance, apex with divergent tubercles projecting forward, bands of rugae in lateral margins reaching apex.
<taxonomicName id="4C55D09CFFFBF743FD7249FA0A81F943" authority=": Triangular" authorityName="Triangular" box="[688,968,1688,1712]" class="Trilobita" family="Styginidae" genus="Scutellum" kingdom="Animalia" order="Corynexochida" pageId="36" pageNumber="35" phylum="Arthropoda" rank="genus">
<emphasis id="B921770DFFFBF743FD7249FA0A67F943" box="[688,814,1688,1712]" italics="true" pageId="36" pageNumber="35">Scutellum</emphasis>
: Triangular
</taxonomicName>
, deep punctures distributed in central region.
<emphasis id="B921770DFFFBF743FED849DA0821F923" box="[282,360,1720,1744]" italics="true" pageId="36" pageNumber="35">Elytra</emphasis>
: Surface smooth, sutural stria impressed.
<taxonomicName id="4C55D09CFFFBF743FCAA49DA0D03F923" authority=": Surface" authorityName="Surface" box="[872,1098,1720,1744]" class="Actinopterygii" family="Trichomycteridae" genus="Pygidium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" pageId="36" pageNumber="35" phylum="Chordata" rank="genus">
<emphasis id="B921770DFFFBF743FCAA49DA0A96F923" box="[872,991,1720,1744]" italics="true" pageId="36" pageNumber="35">Pygidium</emphasis>
: Surface
</taxonomicName>
punctate. Base with band of long setae. Lateral angles rugose, in lateral view convex.
<emphasis id="B921770DFFFBF743FCA749BB0AD5F903" box="[869,924,1753,1776]" italics="true" pageId="36" pageNumber="35">Legs</emphasis>
: Protibia tridentate. Apex of posterior tibia with a spur. First tarsomere of posterior tarsus triangular, apex extended into long spine
<emphasis id="B921770DFFFBF743FB0B499B0C5FF8E3" box="[1225,1302,1785,1808]" italics="true" pageId="36" pageNumber="35">Venter</emphasis>
: Prosternal process long, convex, apex weakly acuminated to subquadrangular, with thick setae.
<emphasis id="B921770DFFFBF743FB0E487B0C19F8C3" box="[1228,1360,1817,1840]" italics="true" pageId="36" pageNumber="35">Parameres</emphasis>
: Oval, inner margins parallel, apex weakly dilated, rounded, setigerous (
<figureCitation id="136EB79AFFFBF743FC1B485A0D1CF8A3" box="[985,1109,1848,1872]" captionStart="Figure 65-70" captionStartId="37.[189,273,1865,1887]" captionTargetBox="[247,1364,243,1746]" captionTargetId="figure-15@37.[187,1443,231,1773]" captionTargetPageId="37" captionText="Figure 65-70. Megaceras stuebeli. 65) Habitus. 66) Male head (dorsal view). 67) Male major. 68) Male minor (scale line: 5 mm). 69) Parameres frontal view. 70) Parameres lateral view (scale line: 1 mm)." figureDoi="http://doi.org/10.5281/zenodo.5352490" httpUri="https://zenodo.org/record/5352490/files/figure.png" pageId="36" pageNumber="35">Fig. 69-70</figureCitation>
).
</paragraph>
<caption id="DF2AFB97FFFAF742FF7F482B0D93F88F" ID-DOI="http://doi.org/10.5281/zenodo.5352490" ID-Zenodo-Dep="5352490" httpUri="https://zenodo.org/record/5352490/files/figure.png" pageId="37" pageNumber="36" startId="37.[189,273,1865,1887]" targetBox="[247,1364,243,1746]" targetPageId="37">
<paragraph id="8BEAAB1FFFFAF742FF7F482B0D93F88F" blockId="37.[189,1440,1865,1916]" pageId="37" pageNumber="36">
<emphasis id="B921770DFFFAF742FF7F482B0828F8AD" bold="true" box="[189,353,1865,1887]" pageId="37" pageNumber="36">Figure 65-70.</emphasis>
<emphasis id="B921770DFFFAF742FEAB48280B0CF8AD" box="[361,581,1865,1887]" italics="true" pageId="37" pageNumber="36">
<taxonomicName id="4C55D09CFFFAF742FEAB48280B08F8AD" box="[361,577,1865,1887]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="37" pageNumber="36" phylum="Arthropoda" rank="species" species="stuebeli">Megaceras stuebeli</taxonomicName>
.
</emphasis>
<emphasis id="B921770DFFFAF742FD8F482B0B3BF8AC" bold="true" box="[589,626,1865,1887]" pageId="37" pageNumber="36">65)</emphasis>
Habitus.
<emphasis id="B921770DFFFAF742FD26482B0A40F8AC" bold="true" box="[740,777,1865,1887]" pageId="37" pageNumber="36">66)</emphasis>
Male head (dorsal view).
<emphasis id="B921770DFFFAF742FBF3482B0D1FF8AC" bold="true" box="[1073,1110,1865,1887]" pageId="37" pageNumber="36">67)</emphasis>
Male major.
<emphasis id="B921770DFFFAF742FB2D482B0C5DF8AC" bold="true" box="[1263,1300,1865,1887]" pageId="37" pageNumber="36">68)</emphasis>
Male minor (scale line: 5 mm).
<emphasis id="B921770DFFFAF742FE53480408FFF88F" bold="true" box="[401,438,1894,1916]" pageId="37" pageNumber="36">69)</emphasis>
Parameres frontal view.
<emphasis id="B921770DFFFAF742FD1148040BB1F88F" bold="true" box="[723,760,1894,1916]" pageId="37" pageNumber="36">70)</emphasis>
Parameres lateral view (scale line: 1 mm).
</paragraph>
</caption>
<caption id="DF2AFB97FFF9F741FF7C4B2C0A80FB96" ID-DOI="http://doi.org/10.5281/zenodo.5352492" ID-Zenodo-Dep="5352492" box="[190,969,1102,1125]" httpUri="https://zenodo.org/record/5352492/files/figure.png" pageId="38" pageNumber="37" startId="38.[190,274,1102,1124]" targetBox="[205,1428,203,1072]" targetPageId="38">
<paragraph id="8BEAAB1FFFF9F741FF7C4B2C0A80FB96" blockId="38.[190,969,1102,1125]" box="[190,969,1102,1125]" pageId="38" pageNumber="37">
<emphasis id="B921770DFFF9F741FF7C4B2C0872FB97" bold="true" box="[190,315,1102,1124]" pageId="38" pageNumber="37">Figure 71.</emphasis>
Distribution of
<taxonomicName id="4C55D09CFFF9F741FE2F4B2D0BF6FB97" box="[493,703,1103,1124]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="38" pageNumber="37" phylum="Arthropoda" rank="species" species="stuebeli">
<emphasis id="B921770DFFF9F741FE2F4B2D0BF6FB97" box="[493,703,1103,1124]" italics="true" pageId="38" pageNumber="37">Megaceras stuebeli</emphasis>
</taxonomicName>
in Brazilian Amazonia.
</paragraph>
</caption>
<paragraph id="8BEAAB1FFFF9F741FF324BF90D5BFB00" blockId="38.[192,1440,1179,1267]" pageId="38" pageNumber="37">
<emphasis id="B921770DFFF9F741FF324BF90820FB40" bold="true" box="[240,361,1179,1203]" pageId="38" pageNumber="37">Females.</emphasis>
As males except in the following respects:
<emphasis id="B921770DFFF9F741FCA34BF90AEBFB40" box="[865,930,1179,1203]" italics="true" pageId="38" pageNumber="37">Head</emphasis>
: Frons with small conical tubercle, surface rugose.
<emphasis id="B921770DFFF9F741FEE24BDE08D2FB20" box="[288,411,1212,1235]" italics="true" pageId="38" pageNumber="37">Pronotum</emphasis>
: Surface smooth, lateral margins with punctures, and with 2 small tubercles behind anterior margin.
<taxonomicName id="4C55D09CFFF9F741FE534BB90B3AFB00" authority=": Surface" authorityName="Surface" box="[401,627,1243,1267]" class="Actinopterygii" family="Trichomycteridae" genus="Pygidium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" pageId="38" pageNumber="37" phylum="Chordata" rank="genus">
<emphasis id="B921770DFFF9F741FE534BB90B40FB00" box="[401,521,1243,1267]" italics="true" pageId="38" pageNumber="37">Pygidium</emphasis>
: Surface
</taxonomicName>
finely punctate with sparse setae.
</paragraph>
</subSubSection>
<subSubSection id="C34FF894FFF9F741FF024A790DA4FA60" pageId="38" pageNumber="37" type="diagnosis">
<paragraph id="8BEAAB1FFFF9F741FF024A790DA4FA60" blockId="38.[192,1440,1307,1427]" pageId="38" pageNumber="37">
<emphasis id="B921770DFFF9F741FF024A790827FAC0" bold="true" box="[192,366,1307,1331]" pageId="38" pageNumber="37">DIAGNOSIS.</emphasis>
The large pronotal protuberance with two horns strongly curved downward and the bifurcate apex of frontal horn, are characters that will distinguish
<taxonomicName id="4C55D09CFFF9F741FC624A5E0D6AFAA0" box="[928,1059,1339,1363]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="38" pageNumber="37" phylum="Arthropoda" rank="species" species="stuebeli">
<emphasis id="B921770DFFF9F741FC624A5E0D6AFAA0" box="[928,1059,1339,1363]" italics="true" pageId="38" pageNumber="37">M. stuebeli</emphasis>
</taxonomicName>
. Minor males could be confused with minor males of
<taxonomicName id="4C55D09CFFF9F741FE784A3E0B2AFA80" baseAuthorityName="Olivier" baseAuthorityYear="1789" box="[442,611,1371,1395]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="38" pageNumber="37" phylum="Arthropoda" rank="species" species="philoctetes">
<emphasis id="B921770DFFF9F741FE784A3E0B2AFA80" box="[442,611,1371,1395]" italics="true" pageId="38" pageNumber="37">M. philoctetes</emphasis>
</taxonomicName>
, and it is necessary to examine the parameres to differentiate these species when the teeth of the apex of the clypeus in
<taxonomicName id="4C55D09CFFF9F741FCE84A1E0A98FA60" baseAuthorityName="Olivier" baseAuthorityYear="1789" box="[810,977,1403,1427]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="38" pageNumber="37" phylum="Arthropoda" rank="species" species="philoctetes">
<emphasis id="B921770DFFF9F741FCE84A1E0A98FA60" box="[810,977,1403,1427]" italics="true" pageId="38" pageNumber="37">M. philoctetes</emphasis>
</taxonomicName>
are not well developed.
</paragraph>
</subSubSection>
<subSubSection id="C34FF894FFF9F740FF024AD90D3FFF08" lastPageId="39" lastPageNumber="38" pageId="38" pageNumber="37" type="distribution">
<paragraph id="8BEAAB1FFFF9F741FF024AD90CE9F9E0" blockId="38.[192,1441,1467,1555]" pageId="38" pageNumber="37">
<emphasis id="B921770DFFF9F741FF024AD908EFFA20" bold="true" box="[192,422,1467,1491]" pageId="38" pageNumber="37">DISTRIBUTION.</emphasis>
<taxonomicName id="4C55D09CFFF9F741FE6E4ADE0BC6FA20" box="[428,655,1467,1491]" class="Insecta" family="Dynastidae" genus="Megaceras" kingdom="Animalia" order="Coleoptera" pageId="38" pageNumber="37" phylum="Arthropoda" rank="species" species="stuebeli">
<emphasis id="B921770DFFF9F741FE6E4ADE0BC6FA20" box="[428,655,1467,1491]" italics="true" pageId="38" pageNumber="37">Megaceras stuebeli</emphasis>
</taxonomicName>
is an endemic species of the Amazon region, with records only for the Brazilian Amazon.
<bibRefCitation id="EFC4D6EEFFF9F741FE0E4AB90B35FA00" author="Endrodi, S." box="[460,636,1499,1523]" pageId="38" pageNumber="37" pagination="9 - 174" refId="ref24944" refString="Endrodi, S. 1976. Monographie der Dynastinae 5. Tribus: Oryctini (die Arten von Amerika) (Coleoptera: Melolonthinae). Folia Entomologica Hungarica 29: 9 - 174." type="journal article" year="1976">Endrödi (1976)</bibRefCitation>
recorded this species from Reseva Ducke, Maués River, and Manaus- Itacoatiara km
<quantity id="4CAD06FAFFF9F741FEB54A9908F8F9E0" box="[375,433,1531,1555]" metricMagnitude="-1" metricUnit="m" metricValue="6.604" pageId="38" pageNumber="37" unit="in" value="26.0">26 in</quantity>
<collectingRegion id="499165FDFFF9F741FE754A990B31F9E0" box="[439,632,1531,1555]" country="Venezuela" name="Amazonas" pageId="38" pageNumber="37">Amazonas state</collectingRegion>
. Lauchame (1992) recorded
<collectingRegion id="499165FDFFF9F741FC064A990D76F9E0" box="[964,1087,1531,1555]" country="Suriname" name="Para" pageId="38" pageNumber="37">Pará state</collectingRegion>
without specific locality data.
</paragraph>
<paragraph id="8BEAAB1FFFF9F741FF0249590D6EF980" blockId="38.[192,1440,1595,1651]" pageId="38" pageNumber="37">
<materialsCitation id="3B3DA142FFF9F741FF0249590B60F980" collectionCode="LOCALITY, RECORDS" pageId="38" pageNumber="37" specimenCount="260" specimenCount-female="68" specimenCount-male="62">
<emphasis id="B921770DFFF9F741FF02495908BDF9A0" bold="true" box="[192,500,1595,1619]" pageId="38" pageNumber="37">
<collectionCode id="ED4433DAFFF9F741FF02495908A6F9A0" box="[192,495,1595,1619]" pageId="38" pageNumber="37">LOCALITY RECORDS</collectionCode>
.
</emphasis>
(
<figureCitation id="136EB79AFFF9F741FDC049590B1AF9A0" box="[514,595,1595,1619]" captionStart="Figure 71" captionStartId="38.[190,274,1102,1124]" captionTargetBox="[205,1428,203,1072]" captionTargetId="figure-296@38.[190,1445,193,1080]" captionTargetPageId="38" captionText="Figure 71. Distribution of Megaceras stuebeli in Brazilian Amazonia." figureDoi="http://doi.org/10.5281/zenodo.5352492" httpUri="https://zenodo.org/record/5352492/files/figure.png" pageId="38" pageNumber="37">Fig. 71</figureCitation>
)
<specimenCount id="9D536096FFF9F741FDA349590A46F9A0" box="[609,783,1595,1619]" pageId="38" pageNumber="37" type="generic">130 specimens</specimenCount>
examined (
<specimenCount id="9D536096FFF9F741FC5549590D4DF9A0" box="[919,1028,1595,1619]" pageId="38" pageNumber="37" type="male">62 males</specimenCount>
,
<specimenCount id="9D536096FFF9F741FBCC49590DDBF9A0" box="[1038,1170,1595,1619]" pageId="38" pageNumber="37" type="female">68 females</specimenCount>
). Specimens were seen from the following collections
</materialsCitation>
: INPA, CZPB, MZSP, MPEG, and UNSM.
</paragraph>
<paragraph id="8BEAAB1FFFF9F741FF0249F90DEDF8A0" blockId="38.[192,1440,1691,1876]" pageId="38" pageNumber="37">
<collectingRegion id="499165FDFFF9F741FF0249F90817F940" box="[192,350,1691,1715]" country="Venezuela" name="Amazonas" pageId="38" pageNumber="37">AMAZONAS</collectingRegion>
(106): Itacoatiara (Fazenda Aruana Am
<quantity id="4CAD06FAFFF9F741FC8349F90AC2F940" box="[833,907,1691,1715]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="38" pageNumber="37" unit="km" value="10.0">10 km</quantity>
215, Am
<quantity id="4CAD06FAFFF9F741FC3849F90D0DF940" box="[1018,1092,1691,1715]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="38" pageNumber="37" unit="km" value="10.0">10 km</quantity>
228), Manaus (Am
<quantity id="4CAD06FAFFF9F741FAEE49F90C3FF940" box="[1324,1398,1691,1715]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="38" pageNumber="37" unit="km" value="10.0">10 km</quantity>
24, Am
<quantity id="4CAD06FAFFF9F741FF3049D90877F920" box="[242,318,1723,1747]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="38" pageNumber="37" unit="km" value="10.0">10 km</quantity>
45, Am
<quantity id="4CAD06FAFFF9F741FE6049D908A7F920" box="[418,494,1723,1747]" metricMagnitude="4" metricUnit="m" metricValue="1.0" pageId="38" pageNumber="37" unit="km" value="10.0">10 km</quantity>
70, BR
<quantity id="4CAD06FAFFF9F741FD8C49D90BE0F920" box="[590,681,1723,1747]" metricMagnitude="5" metricUnit="m" metricValue="1.7399999999999998" pageId="38" pageNumber="37" unit="km" value="174.0">174 km</quantity>
45, BR
<quantity id="4CAD06FAFFF9F741FCCA49D90A2DF920" box="[776,868,1723,1747]" metricMagnitude="5" metricUnit="m" metricValue="1.7399999999999998" pageId="38" pageNumber="37" unit="km" value="174.0">174 km</quantity>
32, Cidade Nova, Distrito Industrial, Fazenda Dimona PDBFF, Reserva Ducke) Novo Airão (
<collectingRegion id="499165FDFFF9F741FD0D49B90A0AF907" box="[719,835,1755,1780]" country="Uruguay" name="Rio Negro" pageId="38" pageNumber="37">Rio Negro</collectingRegion>
<collectingRegion id="499165FDFFF9F741FC8549B90AD7F900" box="[839,926,1755,1779]" country="Brazil" name="Parana" pageId="38" pageNumber="37">Paraná</collectingRegion>
do Itauacu), Pedrinha, Presidente Figueredo (BR 174 Km 180, UHE Balbina, Rio Urubu), Taracuá (Rio Uaupés), Parque Nacional do Jaú (Rio Jaú), Rio Juruá.
<collectingRegion id="499165FDFFF9F741FED54878082AF8C7" box="[279,355,1818,1844]" country="Suriname" name="Para" pageId="38" pageNumber="37">PARÁ</collectingRegion>
(22): Açu (Tomé); Belém; Benevides; Castanhal (Estrada de Curuca km 8), Juriti, Ipixuna (Rio Capim), Marajó (Ponta Pedras), Marituba, Tucuruí.
<collectingRegion id="499165FDFFF9F741FCAC48580D40F8A7" box="[878,1033,1850,1876]" country="Brazil" name="Rondonia" pageId="38" pageNumber="37">RONDÔNIA</collectingRegion>
(2): Vilhena.
</paragraph>
<paragraph id="8BEAAB1FFFF8F740FF024FA10D3FFF08" blockId="39.[192,1440,195,251]" pageId="39" pageNumber="38">
<emphasis id="B921770DFFF8F740FF024FA10B11FF28" bold="true" box="[192,600,195,219]" pageId="39" pageNumber="38">TEMPORAL DISTRIBUTION.</emphasis>
January (12), February (25), March (5), April (8), May (7), June (15), July (12), August (10), September (6), October (7), November (9), December (5).
</paragraph>
</subSubSection>
<subSubSection id="C34FF894FFF8F740FF024E4108E3FE88" pageId="39" pageNumber="38" type="biology_ecology">
<paragraph id="8BEAAB1FFFF8F740FF024E4108E3FE88" blockId="39.[192,1440,291,379]" pageId="39" pageNumber="38">
<emphasis id="B921770DFFF8F740FF024E410819FEC8" bold="true" box="[192,336,291,315]" pageId="39" pageNumber="38">BIOLOGY.</emphasis>
Adults are active at night and can be attracted to lights. In Brazilian Amazonia, adults have been collected from semi-humid ombrophilous forests, secondary forests, and floodplain areas from sea level to 600 meters.
</paragraph>
</subSubSection>
</treatment>
</document>