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<document id="D8963CD7687E9B2F873B611B5EC89D53" ID-DOI="10.5281/zenodo.209769" ID-GBIF-Dataset="8aae542c-8718-4462-8982-a8266fab3404" ID-ISSN="1175-5326" ID-Zenodo-Dep="209769" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460537312511" checkinUser="plazi" docAuthor="Maier, Crystal A." docDate="2012" docId="C953335DFFA15F49FF2BFCBBFBB215D6" docLanguage="en" docName="zt03500p069.pdf" docOrigin="Zootaxa 3500" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Elachistelmis Maier, 2012, gen. n." docType="treatment" docVersion="9" lastPageNumber="63" masterDocId="356A4B25FFA05F4BFFBCFFA6FFA81752" masterDocTitle="Elachistelmis gen. n. (Coleoptera: Elmidae: Elminae) from Suriname, with description of two new species" masterLastPageNumber="69" masterPageNumber="61" pageNumber="62" updateTime="1698316554535" updateUser="plazi">
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<mods:title id="46754578EB69F0DF886CCCC974319138">Elachistelmis gen. n. (Coleoptera: Elmidae: Elminae) from Suriname, with description of two new species</mods:title>
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<mods:namePart id="1504256085B8BBD4E1F7499446C84810">Maier, Crystal A.</mods:namePart>
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<mods:date id="61F99DCC9E5D2B4A29B25F389281F307">2012</mods:date>
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<treatment id="C953335DFFA15F49FF2BFCBBFBB215D6" ID-DOI="http://doi.org/10.5281/zenodo.6178512" ID-GBIF-Taxon="119527744" ID-Zenodo-Dep="6178512" LSID="urn:lsid:plazi:treatment:C953335DFFA15F49FF2BFCBBFBB215D6" httpUri="http://treatment.plazi.org/id/C953335DFFA15F49FF2BFCBBFBB215D6" lastPageId="2" lastPageNumber="63" pageId="1" pageNumber="62">
<subSubSection id="09E0D1C0FFA15F4AFF2BFCBBFEB71405" pageId="1" pageNumber="62" type="nomenclature">
<paragraph id="4145824BFFA15F4AFF2BFCBBFE3B1465" blockId="1.[151,403,797,855]" box="[151,403,797,823]" pageId="1" pageNumber="62">
<heading id="1A0D3527FFA15F4AFF2BFCBBFE3B1465" bold="true" box="[151,403,797,823]" fontSize="11" level="1" pageId="1" pageNumber="62" reason="1">
<emphasis id="738E5E59FFA15F4AFF2BFCBBFE3B1465" bold="true" box="[151,403,797,823]" pageId="1" pageNumber="62">
<taxonomicName id="86FAF9C8FFA15F4AFF2BFCBBFE921465" ID-CoL="62R2W" box="[151,314,797,823]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="738E5E59FFA15F4AFF2BFCBBFE921465" bold="true" box="[151,314,797,823]" italics="true" pageId="1" pageNumber="62">Elachistelmis</emphasis>
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<taxonomicNameLabel id="68BDE322FFA15F4AFEFDFCBBFE3B1465" box="[321,403,797,823]" pageId="1" pageNumber="62" rank="genus">gen. n.</taxonomicNameLabel>
</emphasis>
</heading>
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<paragraph id="4145824BFFA15F4AFF2BFC99FEB71405" blockId="1.[151,403,797,855]" box="[151,287,831,855]" pageId="1" pageNumber="62">
(
<figureCitation id="D9C19ECEFFA15F4AFF23FC99FF401405" box="[159,232,831,855]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Figs. 1</figureCitation>
26)
</paragraph>
</subSubSection>
<subSubSection id="09E0D1C0FFA15F4AFF2BFC2EFDC914CC" box="[151,609,903,926]" pageId="1" pageNumber="62" type="materials_examined">
<paragraph id="4145824BFFA15F4AFF2BFC2EFDC914CC" blockId="1.[151,609,903,926]" box="[151,609,903,926]" pageId="1" pageNumber="62">
<emphasis id="738E5E59FFA15F4AFF2BFC2EFE8D14CC" bold="true" box="[151,293,903,926]" pageId="1" pageNumber="62">
<typeStatus id="9E413CE9FFA15F4AFF2BFC2EFF6414CF" box="[151,204,904,925]" pageId="1" pageNumber="62">Type</typeStatus>
species:
</emphasis>
<taxonomicName id="86FAF9C8FFA15F4AFE97FC2EFDB514CC" box="[299,541,904,926]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="species" species="tetramera" status="sp. nov.">
<emphasis id="738E5E59FFA15F4AFE97FC2EFDB514CC" box="[299,541,904,926]" italics="true" pageId="1" pageNumber="62">Elachistelmis tetramera</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="68BDE322FFA15F4AFD97FC2FFDC914CC" box="[555,609,905,926]" pageId="1" pageNumber="62" rank="species">sp. n.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="09E0D1C0FFA15F4AFF2BFC63FED71273" pageId="1" pageNumber="62" type="diagnosis">
<paragraph id="4145824BFFA15F4AFF2BFC63FAB31377" blockId="1.[151,1436,965,2033]" pageId="1" pageNumber="62">
<emphasis id="738E5E59FFA15F4AFF2BFC63FEB9148C" bold="true" box="[151,273,965,990]" pageId="1" pageNumber="62">Diagnosis.</emphasis>
This genus can be distinguished from all other elmid genera by the following combination of characters: 1) small size (ca. 1.0
<quantity id="86022FAEFFA15F4AFDB0FC4FFDCC1353" box="[524,612,1001,1025]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="1" pageNumber="62" unit="mm" value="1.2">1.2 mm</quantity>
), 2) pronotum with sublateral carinae and lacking depressions (
<figureCitation id="D9C19ECEFFA15F4AFA99FC4FFF1D1377" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 10 &amp; 13</figureCitation>
), and 3) the presence of a narrow band of plastron setae on the lateral edge of each elytron (
<figureCitation id="D9C19ECEFFA15F4AFB06FBABFAA51377" box="[1210,1293,1037,1061]" captionStart="FIGURES 15 21" captionStartId="6.[151,264,1966,1989]" captionTargetBox="[200,1381,193,1922]" captionTargetId="figure@6.[200,1382,193,1924]" captionTargetPageId="6" captionText="FIGURES 15 21. Elachistelmis tetramera, n. sp.: 15. Mesotarsus; 16. Interior of elytron, showing spines; 17. Metatarsus; 18. Head, vental view; 19. Prosternum; 20. Lateral border of elytron; 21. Elytron, showing long tuberculate setae of dorsal plastron." httpUri="https://zenodo.org/record/209773/files/figure.png" pageId="1" pageNumber="62">Fig. 21</figureCitation>
).
</paragraph>
<paragraph id="4145824BFFA15F4AFF7BFB97FED71273" blockId="1.[151,1436,965,2033]" pageId="1" pageNumber="62">
This new genus keys to couplet number
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<bibRefCitation id="256BFFBAFFA15F4AFD76FB94FCC4131B" author="Manzo" box="[714,876,1073,1097]" pageId="1" pageNumber="62" refString="Manzo, V. (2005) Key to the South American genera of Elmidae (Insecta: Coleoptera) with distributional data. Studies on Neotropical Fauna and Environment, 40, 201 - 208." type="journal article" year="2005">Manzo (2005)</bibRefCitation>
.
<taxonomicName id="86FAF9C8FFA15F4AFCCBFB97FBA6131B" box="[887,1038,1073,1097]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="63" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="738E5E59FFA15F4AFCCBFB97FBA6131B" box="[887,1038,1073,1097]" italics="true" pageId="1" pageNumber="62">Elachistelmis</emphasis>
</taxonomicName>
resembles
<taxonomicName id="86FAF9C8FFA15F4AFB30FB97FAA4131B" box="[1164,1292,1073,1097]" class="Insecta" family="Elmidae" genus="Neolimnius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="738E5E59FFA15F4AFB30FB97FAA4131B" box="[1164,1292,1073,1097]" italics="true" pageId="1" pageNumber="62">Neolimnius</emphasis>
</taxonomicName>
in that it has a very long lacinia and galea (
<figureCitation id="D9C19ECEFFA15F4AFE5BFBF3FD80133F" box="[487,552,1109,1133]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 1</figureCitation>
), but differs in the degree of pronotal sculpturing, size, and overall body shape and sculpturing.
<taxonomicName id="86FAF9C8FFA15F4AFEE0FBDFFE5B13C3" box="[348,499,1145,1169]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="63" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="738E5E59FFA15F4AFEE0FBDFFE5B13C3" box="[348,499,1145,1169]" italics="true" pageId="1" pageNumber="62">Elachistelmis</emphasis>
</taxonomicName>
also has a thin band of plastron setae laterally on the elytron (
<figureCitation id="D9C19ECEFFA15F4AFB5BFBDFFA9713C3" box="[1255,1343,1145,1169]" captionStart="FIGURES 15 21" captionStartId="6.[151,264,1966,1989]" captionTargetBox="[200,1381,193,1922]" captionTargetId="figure@6.[200,1382,193,1924]" captionTargetPageId="6" captionText="FIGURES 15 21. Elachistelmis tetramera, n. sp.: 15. Mesotarsus; 16. Interior of elytron, showing spines; 17. Metatarsus; 18. Head, vental view; 19. Prosternum; 20. Lateral border of elytron; 21. Elytron, showing long tuberculate setae of dorsal plastron." httpUri="https://zenodo.org/record/209773/files/figure.png" pageId="1" pageNumber="62">Fig. 21</figureCitation>
), which
<taxonomicName id="86FAF9C8FFA15F4AFF2BFB3BFEBF13E7" box="[151,279,1181,1205]" class="Insecta" family="Elmidae" genus="Neolimnius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="738E5E59FFA15F4AFF2BFB3BFEBF13E7" box="[151,279,1181,1205]" italics="true" pageId="1" pageNumber="62">Neolimnius</emphasis>
</taxonomicName>
lacks. Additionally, members of this genus were found in samples with numerous specimens of
<taxonomicName id="86FAF9C8FFA15F4AFF2BFB67FEA8138B" box="[151,256,1217,1241]" class="Insecta" family="Elmidae" genus="Neoelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="738E5E59FFA15F4AFF2BFB67FEA8138B" box="[151,256,1217,1241]" italics="true" pageId="1" pageNumber="62">Neoelmis</emphasis>
</taxonomicName>
spp. The two genera are rather similar in body size and shape, but they can quickly be separated by the presence of a transverse pronotal depression with lateral foveae in
<taxonomicName id="86FAF9C8FFA15F4AFC3FFB43FC4413AF" box="[899,1004,1253,1277]" class="Insecta" family="Elmidae" genus="Neoelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="738E5E59FFA15F4AFC3FFB43FC4413AF" box="[899,1004,1253,1277]" italics="true" pageId="1" pageNumber="62">Neoelmis</emphasis>
</taxonomicName>
spp., and the absence of this character in
<taxonomicName id="86FAF9C8FFA15F4AFF08FAAFFEE31273" box="[180,331,1289,1313]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="63" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="738E5E59FFA15F4AFF08FAAFFEE31273" box="[180,331,1289,1313]" italics="true" pageId="1" pageNumber="62">Elachistelmis</emphasis>
</taxonomicName>
spp.
</paragraph>
</subSubSection>
<subSubSection id="09E0D1C0FFA15F49FF7BFA8BFD681545" lastPageId="2" lastPageNumber="63" pageId="1" pageNumber="62" type="description">
<paragraph id="4145824BFFA15F4AFF7BFA8BFCED12E3" blockId="1.[151,1436,965,2033]" pageId="1" pageNumber="62">
<emphasis id="738E5E59FFA15F4AFF7BFA8BFEF11214" bold="true" box="[199,345,1325,1350]" pageId="1" pageNumber="62">Description.</emphasis>
Body elongate, moderately convex (
<figureCitation id="D9C19ECEFFA15F4AFCA0FA8BFC7A1217" box="[796,978,1325,1349]" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 10 &amp; 13</figureCitation>
). Integument with sparse setae; color testaceous, rufo-testaceous, or rufus, often with lighter testaceous patches at elytral humeri, embracing umbone (
<figureCitation id="D9C19ECEFFA15F4AFF23FAD3FE9B12DF" box="[159,307,1397,1421]" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 9 &amp; 12</figureCitation>
). Plastron distributed dorsally between lateral border and carina; body ventrally with plastron setae laterally on all abdominal ventrites, meso- and metaventrites.
</paragraph>
<paragraph id="4145824BFFA15F4AFF7BFA1BFF4E11A7" blockId="1.[151,1436,965,2033]" pageId="1" pageNumber="62">
Head prognathus, capable of being partly retracted into prothorax but not beyond the basal portion of the submentum (
<figureCitation id="D9C19ECEFFA15F4AFE96FA47FE6212AB" box="[298,458,1505,1529]" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 11 &amp; 14</figureCitation>
) microreticulate. Eye hemispherical, separated by a distance three times the radius of eye.. Antenna with eleven antennomeres, with apical antennomere spindle-shaped, three times as long as penultimate antennomere (Fig. 24). Maxillary palpus with four palpomeres, distal palpomere turbinate, with patch of sensilla apically (
<figureCitation id="D9C19ECEFFA15F4AFEC1F9EBFE681137" box="[381,448,1613,1637]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 1</figureCitation>
). Lacinia elongate, with row of stout, curved spines medially (
<figureCitation id="D9C19ECEFFA15F4AFB2CF9EBFB7B1137" box="[1168,1235,1613,1637]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 1</figureCitation>
). Galea elongate, three segmented (
<figureCitation id="D9C19ECEFFA15F4AFEE2F9D7FE0811DB" box="[350,416,1649,1673]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 1</figureCitation>
). Labial palpus with three palpomeres, apical palpomere spindle shaped, with two parallel elongate sensory patches (
<figureCitation id="D9C19ECEFFA15F4AFE78F933FDA411FF" box="[452,524,1685,1709]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 2</figureCitation>
). Labium ovate, sparsely clothed with setae (
<figureCitation id="D9C19ECEFFA15F4AFBA4F933FBC811FF" box="[1048,1120,1685,1709]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 2</figureCitation>
). Labrum broadly rounded; anterior margin without distinct emargination, sparsely clothed with stout setae (
<figureCitation id="D9C19ECEFFA15F4AFBF1F91FFB3F1183" box="[1101,1175,1721,1745]" captionStart="FIGURES 1 4" captionStartId="3.[151,264,1032,1055]" captionTargetBox="[184,1411,206,960]" captionTargetId="figure@3.[167,1426,195,969]" captionTargetPageId="3" captionText="FIGURES 1 4. Elachistelmis tetramera, n. sp.: 1. Maxilla; 2. Labium; 3. Mandible; 4. Labrum. Scale bar = 0.05 mm." httpUri="https://zenodo.org/record/209770/files/figure.png" pageId="1" pageNumber="62">Fig. 4</figureCitation>
). Frontoclypeal suture absent.
</paragraph>
<paragraph id="4145824BFFA15F49FF7BF8A4FBF8166D" blockId="1.[151,1436,965,2033]" lastBlockId="2.[151,1436,151,644]" lastPageId="2" lastPageNumber="63" pageId="1" pageNumber="62">
Pronotum quadrate, with two strong longitudinal sublateral carinae diverging anteriad; lateral edges broadly rounded, with distinct carinae; base broadly sinuate on each side of scutellum; anterolateral angles acute; posterolateral angles acute (
<figureCitation id="D9C19ECEFFA15F4AFE6EF8EFFDDA1033" box="[466,626,1865,1889]" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 10 &amp; 13</figureCitation>
). Disc of pronotum lightly sculptured, lacking depressions. Hypomeron without plastron (Fig. 23). Scutellum flat, wider than long, rounded trapezoidal in shape. Elytron with sparse long setae; with seven longitudinal rows of weak punctures; without accessory row of punctures; with two strong longitudinal carinae overlapping the fourth and sixth puncture rows, area between carina and lateral margin with dense plastron (
<figureCitation id="D9C19ECEFFA15F4AFEF7F87FFE0810A3" box="[331,416,2009,2033]" captionStart="FIGURES 15 21" captionStartId="6.[151,264,1966,1989]" captionTargetBox="[200,1381,193,1922]" captionTargetId="figure@6.[200,1382,193,1924]" captionTargetPageId="6" captionText="FIGURES 15 21. Elachistelmis tetramera, n. sp.: 15. Mesotarsus; 16. Interior of elytron, showing spines; 17. Metatarsus; 18. Head, vental view; 19. Prosternum; 20. Lateral border of elytron; 21. Elytron, showing long tuberculate setae of dorsal plastron." httpUri="https://zenodo.org/record/209773/files/figure.png" pageId="1" pageNumber="62">Fig. 21</figureCitation>
). Elytral apex truncate, explanate (
<figureCitation id="D9C19ECEFFA15F4AFC8DF87FFC7D10A3" box="[817,981,2009,2033]" captionStart="FIGURES 9 14" captionStartId="4.[151,264,1690,1713]" captionTargetBox="[160,1435,205,1638]" captionTargetId="figure@4.[151,1436,203,1639]" captionTargetPageId="4" captionText="FIGURES 9 14. Elachistelmis tetramera, n. sp.: 9. Habitus, dorsal view, showing coloration; 10. Habitus, dorsal view, SEM; 11. Habitus, ventral view. Scale bar = 0.5 mm. Elachistelmis tetramera, n. sp.: 12. Habitus, dorsal view, showing coloration; 13. Habitus, dorsal view SEM; 14. Habitus, ventral view. Scale bar = 0.6 mm." httpUri="https://zenodo.org/record/209772/files/figure.png" pageId="1" pageNumber="62">Figs. 10 &amp; 13</figureCitation>
). Prosternum long in front of procoxae, about two times as long as prosternal process (
<figureCitation id="D9C19ECEFFA25F49FD10FF31FCA117FD" box="[684,777,151,175]" captionStart="FIGURES 15 21" captionStartId="6.[151,264,1966,1989]" captionTargetBox="[200,1381,193,1922]" captionTargetId="figure@6.[200,1382,193,1924]" captionTargetPageId="6" captionText="FIGURES 15 21. Elachistelmis tetramera, n. sp.: 15. Mesotarsus; 16. Interior of elytron, showing spines; 17. Metatarsus; 18. Head, vental view; 19. Prosternum; 20. Lateral border of elytron; 21. Elytron, showing long tuberculate setae of dorsal plastron." httpUri="https://zenodo.org/record/209773/files/figure.png" pageId="2" pageNumber="63">Figs. 19</figureCitation>
&amp; 23); lateral margins microreticulate; prosternal process expanded behind procoxae. Disc of prosternum smooth. Mesoventrite microreticulate, short, ending just behind mesocoxae. Metaventrite long, clothed with setae of plastron; with deep longitudinal groove medially. Legs with visible portion of procoxae globular and trochantin not visible. Tibiae of all legs with apical cleaning fringe of tomentum. All tarsi with four or five tarsomeres. Claws prominent and without teeth.
</paragraph>
<paragraph id="4145824BFFA25F49FF7BFEEAFF51169D" blockId="2.[151,1436,151,644]" pageId="2" pageNumber="63">Abdomen with five ventrites; ventrites covered by setae of plastron, glabrous medially. First ventrite with paired, broad carinae behind metacoxae extending halfway to posterior border of first ventrite (Fig. 22). Second ventrite of male with paired median putative sensilla (Fig. 22). Apical ventrite with two short, curved hooks laterally.</paragraph>
<paragraph id="4145824BFFA25F49FF7BFE7AFD681545" blockId="2.[151,1436,151,644]" pageId="2" pageNumber="63">
<emphasis id="738E5E59FFA25F49FF7BFE7AFE8D16A6" bold="true" box="[199,293,476,500]" pageId="2" pageNumber="63">Female.</emphasis>
Externally similar to male (tend to be larger in size), lacking two ventrally produced tubercles (sensilla) medially on second abdominal ventrite.
</paragraph>
</subSubSection>
<subSubSection id="09E0D1C0FFA25F49FF7BFD82FCDA150D" pageId="2" pageNumber="63" type="etymology">
<paragraph id="4145824BFFA25F49FF7BFD82FCDA150D" blockId="2.[151,1436,151,644]" pageId="2" pageNumber="63">
<emphasis id="738E5E59FFA25F49FF7BFD82FEE6156E" bold="true" box="[199,334,548,572]" pageId="2" pageNumber="63">Etymology.</emphasis>
<taxonomicName id="86FAF9C8FFA25F49FEE6FD82FE59156E" box="[346,497,548,572]" class="Insecta" family="Elmidae" genus="Elachistelmis" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="63" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="738E5E59FFA25F49FEE6FD82FE59156E" box="[346,497,548,572]" italics="true" pageId="2" pageNumber="63">Elachistelmis</emphasis>
</taxonomicName>
from the Greek “elachisto” meaning “smallest”, from its diminutive size, and “elmis”, from the family name,
<taxonomicName id="86FAF9C8FFA25F49FE40FDE1FDF5150D" box="[508,605,583,607]" class="Insecta" family="Elmidae" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="63" phylum="Arthropoda" rank="family">Elmidae</taxonomicName>
. The gender is feminine.
</paragraph>
</subSubSection>
<subSubSection id="09E0D1C0FFA25F49FF7BFDCAFBB215D6" box="[199,1050,620,644]" pageId="2" pageNumber="63" type="discussion">
<paragraph id="4145824BFFA25F49FF7BFDCAFBB215D6" blockId="2.[151,1436,151,644]" box="[199,1050,620,644]" pageId="2" pageNumber="63">
<emphasis id="738E5E59FFA25F49FF7BFDCAFE9315D6" bold="true" box="[199,315,620,644]" pageId="2" pageNumber="63">Remarks.</emphasis>
All known specimens were collected at a blacklight in
<collectingCountry id="39EDC2DBFFA25F49FC1BFDCAFBBE15D6" box="[935,1046,620,644]" name="Suriname" pageId="2" pageNumber="63">Suriname</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>