treatments-xml/data/03/E1/56/03E1561898240B21FF19FF3B4EC71F19.xml
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<document id="16D79C0983F6097B30E18E6C076D1D49" ID-DOI="10.5281/zenodo.5188356" ID-ISSN="1942-1354" ID-Zenodo-Dep="5188356" ID-ZooBank="AC2597CC-301F-4E91-9711-5C17399C9AA2" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628346141153" checkinUser="felipe" docAuthor="King, Jonas G. &amp; Lago, Paul K." docDate="2012" docId="03E1561898240B21FF19FF3B4EC71F19" docLanguage="en" docName="InsectaMundi.0275.1-53.pdf" docOrigin="Insecta Mundi 2012 (275)" docStyle="DocumentStyle:6D85C66E4B52897F25DA165649BC06DC.3:InsectaMundi.2009-2020.journal_article" docStyleId="6D85C66E4B52897F25DA165649BC06DC" docStyleName="InsectaMundi.2009-2020.journal_article" docStyleVersion="3" docTitle="Tropicus Pacheco" docType="treatment" docVersion="3" lastPageNumber="30" masterDocId="FFD82E60983B0B3EFFD9FFF94D431A43" masterDocTitle="The variegated mud-loving beetles (Coleoptera: Heteroceridae) of Mississippi and Alabama, with discussion and keys to the species occurring in the southeastern United States" masterLastPageNumber="53" masterPageNumber="1" pageNumber="30" updateTime="1699045744038" updateUser="plazi" zenodo-license-document="CC-BY-NC-3.0">
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<mods:title id="6F342D3786AE24E3095AEC78266539DB">The variegated mud-loving beetles (Coleoptera: Heteroceridae) of Mississippi and Alabama, with discussion and keys to the species occurring in the southeastern United States</mods:title>
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<mods:namePart id="9D4FB40267772977B8B58EDB21E0867C">King, Jonas G.</mods:namePart>
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<mods:namePart id="9A26B022F6641431A7D1784544293C83">Lago, Paul K.</mods:namePart>
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<subSubSection id="C352B48598240B21FF19FF3B4F4B1A99" box="[192,520,194,218]" pageId="31" pageNumber="30" type="nomenclature">
<paragraph id="8BF7E70E98240B21FF19FF3B4F4B1A99" blockId="31.[192,520,194,218]" box="[192,520,194,218]" pageId="31" pageNumber="30">
<heading id="D0BF506298240B21FF19FF3B4F4B1A99" bold="true" box="[192,520,194,218]" fontSize="10" level="2" pageId="31" pageNumber="30" reason="3">
<emphasis id="B93C3B1C98240B21FF19FF3B4F4B1A99" bold="true" box="[192,520,194,218]" pageId="31" pageNumber="30">
Genus
<taxonomicName id="4C489C8D98240B21FEC2FF3B4F4B1A99" ID-CoL="82ZR" ID-ENA="928838" authority="Pacheco" authorityName="Pacheco" box="[283,520,194,218]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FEC2FF3B4CD11A99" bold="true" box="[283,402,194,218]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
Pacheco
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C352B48598240B21FF19FEFA4F5B1B59" box="[192,536,258,282]" pageId="31" pageNumber="30" type="reference_group">
<paragraph id="8BF7E70E98240B21FF19FEFA4F5B1B59" blockId="31.[192,536,258,282]" box="[192,536,258,282]" pageId="31" pageNumber="30">
<treatmentCitationGroup id="AB58C02098240B21FF19FEFA4F5B1B59" box="[192,536,258,282]" pageId="31" pageNumber="30">
<treatmentCitation id="0AE9C11F98240B21FF19FEFA4F571B59" author="Pacheco, F." box="[192,532,258,282]" page="131" pageId="31" pageNumber="30" year="1964">
<taxonomicName id="4C489C8D98240B21FF19FEFA4F571B59" ID-CoL="82ZR" authority="Pacheco 1964: 131" authorityName="Pacheco" authorityPageNumber="131" authorityYear="1964" box="[192,532,258,282]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FF19FEFA4C6E1B59" box="[192,301,259,282]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
<bibRefCitation id="EFD99AFF98240B21FEEAFEFB4F571B59" author="Pacheco, F." box="[307,532,258,282]" pageId="31" pageNumber="30" pagination="1 - 155" refId="ref22030" refString="Pacheco, F. 1964. Sistematica, filogenia y distribucion de los Heteroceridos de America (Coleoptera; Heteroceridae). Monografias del Colegio de Post-graduados, No. 1, Escuela Nacional de Agricultura, Chapingo, Mexico, Vol. 1: 1 - 155." type="journal article" year="1964">Pacheco 1964: 131</bibRefCitation>
</taxonomicName>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C352B48598240B21FF19FEBB491F1B19" box="[192,1116,322,346]" pageId="31" pageNumber="30" type="type_taxon">
<paragraph id="8BF7E70E98240B21FF19FEBB491F1B19" blockId="31.[192,1116,322,346]" box="[192,1116,322,346]" pageId="31" pageNumber="30">
<emphasis id="B93C3B1C98240B21FF19FEBB4C351B19" bold="true" box="[192,374,322,346]" pageId="31" pageNumber="30">
<typeStatus id="54F359AC98240B21FF19FEBB4C471B19" box="[192,260,322,346]" pageId="31" pageNumber="30">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="4C489C8D98240B21FEA5FEBA4E661B19" authority="Say 1823: 200" authorityName="Say" authorityPageNumber="200" authorityYear="1823" box="[380,805,322,346]" class="Insecta" family="Heteroceridae" genus="Heterocerus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="species" species="pusillus">
<emphasis id="B93C3B1C98240B21FEA5FEBA4F301B19" box="[380,627,322,346]" italics="true" pageId="31" pageNumber="30">Heterocerus pusillus</emphasis>
<bibRefCitation id="EFD99AFF98240B21FDA3FEBB4E661B19" author="Say, T." box="[634,805,322,346]" pageId="31" pageNumber="30" pagination="139 - 216" refId="ref22216" refString="Say, T. 1823. Descriptions of coleopterous insects collected in the late expedition to the Rocky Mountains, performed by order of Mr. Calhoun, Secretary of War, under the command of Major Long. Journal of the Academy of Natural Science of Philadelphia 3: 139 - 216." type="journal article" year="1823">Say 1823: 200</bibRefCitation>
</taxonomicName>
. (by original designation)
</paragraph>
</subSubSection>
<subSubSection id="C352B48598240B21FF19FE7B4C8118F8" pageId="31" pageNumber="30" type="discussion">
<paragraph id="8BF7E70E98240B21FF19FE7B4F051878" blockId="31.[192,1441,386,699]" pageId="31" pageNumber="30">
<emphasis id="B93C3B1C98240B21FF19FE7B4C1D1BD9" bold="true" box="[192,350,386,410]" pageId="31" pageNumber="30">Discussion.</emphasis>
The smaller, orange-brown heterocerids familiar to many New World coleopterists belong to the genus
<taxonomicName id="4C489C8D98240B21FE83FE5A4F771BF9" authority="Pacheco" authorityName="Pacheco" box="[346,564,418,442]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FE83FE5A4C841BF9" box="[346,455,419,442]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
Pacheco
</taxonomicName>
, which currently contains 25 species. This genus is known only from the New World and is most diverse in South America. Three species occur north of
<collectingCountry id="F35FA79E98240B21FB5CFE3B499E1B99" box="[1157,1245,450,474]" name="Mexico" pageId="31" pageNumber="30">Mexico</collectingCountry>
and five species occur on Caribbean Islands, the other 17 occur in
<collectingCountry id="F35FA79E98240B21FCD4FE1B4E251BB9" box="[781,870,482,506]" name="Mexico" pageId="31" pageNumber="30">Mexico</collectingCountry>
, Central America, and South America.
<taxonomicName id="4C489C8D98240B21FAEFFE1A48E21BB9" box="[1334,1441,483,506]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FAEFFE1A48E21BB9" box="[1334,1441,483,506]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
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was erected relatively recently by
<bibRefCitation id="EFD99AFF98240B21FDB0FDFB4E601859" author="Pacheco, F." box="[617,803,514,538]" pageId="31" pageNumber="30" pagination="1 - 155" refId="ref22030" refString="Pacheco, F. 1964. Sistematica, filogenia y distribucion de los Heteroceridos de America (Coleoptera; Heteroceridae). Monografias del Colegio de Post-graduados, No. 1, Escuela Nacional de Agricultura, Chapingo, Mexico, Vol. 1: 1 - 155." type="journal article" year="1964">Pacheco (1964)</bibRefCitation>
and about half of the known species have been described during the last 20 years.
</paragraph>
<paragraph id="8BF7E70E98240B21FF29FDBA4C8118F8" blockId="31.[192,1441,386,699]" pageId="31" pageNumber="30">
<taxonomicName id="4C489C8D98240B21FF29FDBA4C8B1819" baseAuthorityName="Say" baseAuthorityYear="1823" box="[240,456,578,602]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="species" species="pusillus">
<emphasis id="B93C3B1C98240B21FF29FDBA4C8B1819" box="[240,456,578,602]" italics="true" pageId="31" pageNumber="30">Tropicus pusillus</emphasis>
</taxonomicName>
is the most commonly collected species of heterocerid in the eastern
<collectingCountry id="F35FA79E98240B21FAF7FDBB481C1819" box="[1326,1375,578,602]" name="United States of America" pageId="31" pageNumber="30">U.S.</collectingCountry>
This species occurs in all sorts of habitats and, unlike most other heterocerids, can be collected from areas that seem to be entirely sand, and lacking mud. Outside of this, virtually nothing is known of the specific biology of this group.
</paragraph>
</subSubSection>
<subSubSection id="C352B48598240B21FF19FD1B4EC71F19" pageId="31" pageNumber="30" type="diagnosis">
<paragraph id="8BF7E70E98240B21FF19FD1B49E719B9" blockId="31.[192,1441,738,1371]" pageId="31" pageNumber="30">
<emphasis id="B93C3B1C98240B21FF19FD1B4C0C18B9" bold="true" box="[192,335,738,762]" pageId="31" pageNumber="30">Diagnosis.</emphasis>
Individuals of the various
<taxonomicName id="4C489C8D98240B21FD55FD1A4E1118B9" box="[652,850,738,762]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B93C3B1C98240B21FD55FD1A4FBB18B9" box="[652,760,739,762]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
species
</taxonomicName>
are small (length =
<quantity id="4CB04AEB98240B21FB9DFD1B499418B9" box="[1092,1239,738,762]" metricMagnitude="-3" metricUnit="m" metricValue="2.6" metricValueMax="3.5" metricValueMin="1.7" pageId="31" pageNumber="30" unit="mm" value="2.6" valueMax="3.5" valueMin="1.7">
1.7
<emphasis id="B93C3B1C98240B21FBB7FD1A493418B9" box="[1134,1143,739,762]" italics="true" pageId="31" pageNumber="30">-</emphasis>
3.5 mm
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) and their elytra are either uniformly colored, have a dark, common, central macula, or rarely have longitudinally elongate markings on each elytron. In any case, the elytra are never trifasciate as they are in most species of
<taxonomicName id="4C489C8D98240B21FF19FCBA4C131919" authorityName="Fall" authorityYear="1920" box="[192,336,835,858]" class="Insecta" family="Heteroceridae" genus="Heterocerus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FF19FCBA4C131919" box="[192,336,835,858]" italics="true" pageId="31" pageNumber="30">Heterocerus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C489C8D98240B21FE55FCBB4CA81919" box="[396,491,834,858]" class="Insecta" family="Heteroceridae" genus="Augyles" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FE55FCBB4CA81919" box="[396,491,834,858]" italics="true" pageId="31" pageNumber="30">Augyles</emphasis>
</taxonomicName>
. Nine antennomeres are present, although the small pubescent antennae are usually difficult to examine. Males of most species have dorsolateral processes on the mandibles that curve over the lateral edges of the labrum. All species of
<taxonomicName id="4C489C8D98240B21FCB8FC7A4E8D19D9" box="[865,974,899,922]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FCB8FC7A4E8D19D9" box="[865,974,899,922]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
lack both post-mesothoracic coxal and post-metathoracic coxal lines. The male genitalia are composed of a single dorsoventrally flattened sclerotized tube with various folds, sutures and sculpturing on its shovel-like apical end. The basal third of the genitalia is constricted into a narrow cylindrical structure with a knobbed tip.
</paragraph>
<paragraph id="8BF7E70E98240B21FF29FBFB4F8D1E99" blockId="31.[192,1441,738,1371]" pageId="31" pageNumber="30">
Although small size and lack of trifasciate elytra almost always betray the identity of
<emphasis id="B93C3B1C98240B21FAF5FBFA48E21E59" box="[1324,1441,1027,1050]" italics="true" pageId="31" pageNumber="30">
<taxonomicName id="4C489C8D98240B21FAF5FBFA48D81E59" box="[1324,1435,1027,1050]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">Tropicus</taxonomicName>
,
</emphasis>
several species of New World
<taxonomicName id="4C489C8D98240B21FDFBFBDA4FF01E79" authorityName="Fall" authorityYear="1920" box="[546,691,1059,1082]" class="Insecta" family="Heteroceridae" genus="Heterocerus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FDFBFBDA4FF01E79" box="[546,691,1059,1082]" italics="true" pageId="31" pageNumber="30">Heterocerus</emphasis>
</taxonomicName>
are as small as
<taxonomicName id="4C489C8D98240B21FCB4FBDA4E991E79" box="[877,986,1059,1082]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FCB4FBDA4E991E79" box="[877,986,1059,1082]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
, and some Asian
<taxonomicName id="4C489C8D98240B21FB75FBDB48481E79" box="[1196,1291,1058,1082]" class="Insecta" family="Heteroceridae" genus="Augyles" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FB75FBDB48481E79" box="[1196,1291,1058,1082]" italics="true" pageId="31" pageNumber="30">Augyles</emphasis>
</taxonomicName>
are small or uniformly colored. A common macula on the elytral disc, number of antennomeres, and male genitalia will readily distinguish
<taxonomicName id="4C489C8D98240B21FE04FB9A4F091E39" box="[477,586,1123,1146]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FE04FB9A4F091E39" box="[477,586,1123,1146]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
from these species.
<taxonomicName id="4C489C8D98240B21FCEEFB9B492B1E38" authority="Mulsant and Ray" authorityName="Mulsant and Ray" box="[823,1128,1122,1147]" class="Insecta" family="Heteroceridae" genus="Micilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FCEEFB9B4ED01E39" box="[823,915,1122,1146]" italics="true" pageId="31" pageNumber="30">Micilus</emphasis>
Mulsant and Ray
</taxonomicName>
is rare and comprises two species from isolated localities in Europe and Asia. Members of
<taxonomicName id="4C489C8D98240B21FC74FB7B494B1ED9" box="[941,1032,1154,1178]" class="Insecta" family="Heteroceridae" genus="Micilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FC74FB7B494B1ED9" box="[941,1032,1154,1178]" italics="true" pageId="31" pageNumber="30">Micilus</emphasis>
</taxonomicName>
are small, uniformly colored, have nine antennomeres and simple male genitalia.
<taxonomicName id="4C489C8D98240B21FD22FB5B4E141EF9" box="[763,855,1186,1210]" class="Insecta" family="Heteroceridae" genus="Micilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FD22FB5B4E141EF9" box="[763,855,1186,1210]" italics="true" pageId="31" pageNumber="30">Micilus</emphasis>
</taxonomicName>
do have post-mesothoracic coxal lines, however, which will distinguish them from
<taxonomicName id="4C489C8D98240B21FD83FB3A4F841E99" box="[602,711,1219,1242]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FD83FB3A4F841E99" box="[602,711,1219,1242]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BF7E70E98240B21FF29FB1B4EC71F19" blockId="31.[192,1441,738,1371]" pageId="31" pageNumber="30">
Molecular data collected during this study strongly supports the placement of
<taxonomicName id="4C489C8D98240B21FB73FB1A48541EB9" box="[1194,1303,1251,1274]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FB73FB1A48541EB9" box="[1194,1303,1251,1274]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
as sister to the remainder of the family. The high level of sequence variation between
<taxonomicName id="4C489C8D98240B21FB95FAFA49FA1F59" box="[1100,1209,1283,1306]" class="Insecta" family="Heteroceridae" genus="Tropicus" kingdom="Animalia" order="Coleoptera" pageId="31" pageNumber="30" phylum="Arthropoda" rank="genus">
<emphasis id="B93C3B1C98240B21FB95FAFA49FA1F59" box="[1100,1209,1283,1306]" italics="true" pageId="31" pageNumber="30">Tropicus</emphasis>
</taxonomicName>
and the rest of the family suggests that it diverged early in the history of the family and was geographically isolated from the other groups by vicariance events during the Jurassic.
</paragraph>
</subSubSection>
</treatment>
</document>