104 lines
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104 lines
16 KiB
XML
<document id="0D6341E1EE16C528C84954C7451EF38A" ENCODING="UTF-8" ID-GBIF-Dataset="87b69b39-6c55-40e9-9ead-51ab3c9799d2" ModsDocID="8538" checkinTime="1252707819910" checkinUser="donat" docAuthor="Bolton, B." docDate="2000" docId="9F323155E8E6BCE8773EC683135F0B5B" docLanguage="en" docName="8538_stumi_malagasy.xml" docOrigin="Memoirs of the American Entomological Institute 65" docSource="http://hdl.handle.net/10199/15409" docTitle="Strumigenys dexis Bolton, 2000, sp. n." docType="treatment" docVersion="10" lastPageNumber="642" masterDocId="814699F489404C94E11A5DF23EE15AD8" masterDocTitle="The ant tribe Dacetini. With a revision of the Strumigenys species of the Malgasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck." masterLastPageNumber="1028" masterPageNumber="1" pageNumber="641" updateTime="1701312695431" updateUser="plazi">
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<mods:title id="ABDA7CC85CFBDD5C580EEC48EAB7516C">The ant tribe Dacetini. With a revision of the Strumigenys species of the Malgasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck.</mods:title>
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<mods:namePart id="74A8303801ED2CBB6443246725908A33">Bolton, B.</mods:namePart>
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<mods:title id="B6065F9BBFC32A7CA44340C033F2D020">Memoirs of the American Entomological Institute</mods:title>
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<mods:date id="8B8DD8255AC63AC1090C70C6DE2DDA8C">2000</mods:date>
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<mods:number id="00097DE87ABA865F144C510BB1B489E7">65</mods:number>
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<mods:classification id="CFA10E80CC356A0E63CE3DC081478221">journal article</mods:classification>
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<mods:identifier id="68A1D8319410BE478D8A6E7E54673E2B" type="HNS-Pub">8538</mods:identifier>
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<mods:identifier id="124A88F27CC3157DFEBBB1D6D5F52389" type="ZooBank">AA3AF36F-DAE3-48E6-812F-8A9934C335BE</mods:identifier>
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<treatment id="9F323155E8E6BCE8773EC683135F0B5B" ID-DOI="http://doi.org/10.5281/zenodo.6280144" ID-GBIF-Taxon="100120163" ID-Zenodo-Dep="6280144" LSID="urn:lsid:plazi:treatment:9F323155E8E6BCE8773EC683135F0B5B" httpUri="http://treatment.plazi.org/id/9F323155E8E6BCE8773EC683135F0B5B" lastPageNumber="642" pageNumber="641">
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<subSubSection id="3C4A48038CD0164AFF86924D8C6B988F" type="nomenclature">
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<paragraph id="9CA5E8CCA94F7814E175CC0E454CFB73" pageNumber="641">
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<taxonomicName id="AF19246A9FF590F4A6001461AB42B7D1" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="641" phylum="Arthropoda" rank="species" species="dexis">Strumigenys dexis Fisher</taxonomicName>
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<taxonomicNameLabel id="4D921D6ED43C4BF7EEF287AA56080004" rank="species">sp. n.</taxonomicNameLabel>
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(Figs 387, 412)
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</paragraph>
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</subSubSection>
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<subSubSection id="44790F020887238B791074C240D78D61" type="description">
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<paragraph id="EECE76FC0ADF2838B51440FFEEA706A5" pageNumber="641">HOLOTYPE WORKER. TL 2.4, HL 0.66, HW 0.57, CI 88, ML 0.12, MI 18, SL 0.29, SI 51, PW 0.36, AL 0.68. Characters of <fem-complex. Transverse edge of the depressed proximodorsal area of mandible with a short row of curved spoon-shaped hairs approximately the same as those fringing the upper scrobe margin. Each labral lobe terminates anteriorly in a broad fan-shaped lamella of thin translucent cuticle and a short trigger-hair mesad of fan-like lamella; trigger-hairs often difficult to see. Clypeal dorsum with minute appressed hairs, the lateral margins with a short row of anteriorly curved large spoon-shaped hairs. Upper scrobe margin in full-face view with a continuous row of anteriorly curved spoon-shaped hairs that are similar, to those on the leading edge of the scape; the row ends at the apex of the scrobe and does not extend onto the side of the occipital lobe. Eye with 7 ommatidia in total. Cephalic dorsum without standing hairs of any description but with scattered minute flattened appressed hairs present. Area of cuticle within antennal scrobe densely reticulate-punctate except for extreme posterior portion which is superficially reticulate to smooth. Dorsum of head behind clypeus with separated shallow punctures, the spaces between them shining; ventral surface of head unsculptured. Pronotum in dorsal view with strongly convex sides, appearing very short and broad. Flattened dorsum of pronotum sculptured as vertex; pleurae and sides of propodeum smooth and shining; propodeal declivity with a band of fine punctate sculpture between the teeth. Lamella of propodeum broad and sinuate, apices of propodeal teeth free. Dorsal surfaces of alitrunk, waist segments and first gastral tergite without standing hairs, but minute appressed flattened hairs are sparsely present everywhere except on first gastral tergite. Base of first gastral sternite and posterior margins of petiole and postpetiole, with a row of flat, broad, spatulate appressed hairs. Petiole node in dorsal view broader than long, with extensive lateral spongiform lobes. Disc of postpetiole completely surrounded by spongiform tissue in dorsal view; sides and posterior margin of the disc forming a single convex arc and the disc with scattered but easily visible punctures upon a smooth surface. In profile all spongiform lobes of the waist segments well developed. Legs with spatulate to scale-like hairs present, but without standing pilosity.</paragraph>
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<paragraph id="F77516D772C25B850FF4734EA5501174" pageNumber="642">PARATYPE WORKERS. TL 2.4 - 2.5, HL 0.65 - 0.66, HW 0.58 - 0.59, CI 88 - 90, ML 0.12 - 0.13, MI 18 - 20, SL 0.29, SI 49 - 50, PW 0.36 - 0.37, AL 0.68 (2 measured). As holotype.</paragraph>
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</subSubSection>
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<subSubSection id="14BADD811C164439E3BE5FB28B718437" type="materials_examined">
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<paragraph id="B87509FF18D98AAD3EDCE1946BA4D7E6" pageNumber="642">Holotype worker, Madagascar: 45 km. S Ambalavao, 22 ° 13 ' S, 47 ° 01 ' E, 785 m., 25. ix. 1993, sifted litter (leaf mold, rotten wood), rainforest, # 696 (40) - 6 (B. L. Fisher) (MCZ).</paragraph>
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<paragraph id="DF8B5DAC593149BBCD12B54D62D2BD04" pageNumber="642">Paratypes. 1 worker with same data as holotype; 1 worker with same data but # 696 (20) - 9 (SAM, BMNH).</paragraph>
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<paragraph id="84F05488E508207A71C655B1BF72A1B2" pageNumber="642">NON-PARATYPIC MATERIAL EXAMINED. Madagascar: 6.5 km. SSW Befingotra, Ris. Anjanaharibe-Sud 875 m. (B. L. Fisher); 6.9 km. NE Ambanizana, Ambohitsitondroina 825 m. (B. L. Fisher); S. F. Tampolo, 10 km. NNE Fenoarivo Atn. 10 m. (B. L. Fisher); Rte. d'Anosibe, km. 33 (A. Peyrieras); F. C. Sandranantitra 450 m. (H. I. Ratsirarson); F. C. Andriantantely 530 m. (H. J. Ratsirarson); Ranomafana Nat. Park, Vohiparara forest 1160 m. (E. Rajeriarison); 43 km. S Ambalavao, Ris. Andringitra 825 m. (B. L. Fisher); 9.0 km. NE Ivohibe 900 m. (S. Razqfimandimby); R. S. Ivohibe 8.0 km. E Ivohibe 1200 m. (5. Razafimandimby); 11 km. NW Enakara, Ris. Andohahela 800 m. (B. L. Fisher).</paragraph>
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</subSubSection>
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<subSubSection id="E7FC2BFDCBC65C055251464CC1B1F949" type="description">
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<paragraph id="A11F5E0C223F4E0300ED756AFCBF715C" pageNumber="642">Members of these series tend to be a little larger than the type-series and to have the head fractionally broader, HL 0.68 - 0.70, HW 0.63 - 0.64, CI 90 - 93, ML 0.12 - 0.13, MI 17 - 19, but otherwise match the types perfectly.</paragraph>
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</subSubSection>
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<subSubSection id="8521403AAE5BB9BAE5B3522B648BA8C0" type="diagnosis">
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<paragraph id="55143AE2EC91157DA475BC8F52E9FA39" pageNumber="642">
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Within the group
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<taxonomicName id="BACAF05B56B6C7954F0F83DA8281B7ED" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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is related to
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<taxonomicName id="EDC97D3CF8E5D2F1CCB0975B1794C66C" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155822" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys coveri Fisher" lsidName-HNS="Strumigenys coveri Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="coveri">coveri</taxonomicName>
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,
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<taxonomicName id="C961B154B93EFA3CBBA9564EFD8D53B7" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155824" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys gorgon Fisher" lsidName-HNS="Strumigenys gorgon Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="gorgon">gorgon</taxonomicName>
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, peyrierasi and rabesoni, a complex of five species that share a distinctive form of sculpture in which cephalic and promesonotal punctures are spaced out and separated by areas of smooth cuticle, rather than having the entire surface opaque and blanketed with reticulate- punctate sculpture (promesonotal punctures absent in
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<taxonomicName id="0B299B3C799BA9FCE76BB1C7D690E1E1" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155821" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys carolinae Fisher" lsidName-HNS="Strumigenys carolinae Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="carolinae">carolinae</taxonomicName>
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). Of these five species
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<taxonomicName id="98A398A72F4A05851EAC4313F14B70AD" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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is identified by its relatively short mandibles, broad head and unique labrum, where both anterior lobes sport a single fan-like lamella of very thin translucent cuticle that projects anteriorly. In addition:
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</paragraph>
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<paragraph id="BB176A14A03B58811238FBEA9EC48A41" pageNumber="642">
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1 The petiole node in
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<taxonomicName id="46A2C6C60AA33A0ED1798D7ECD161FE9" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155822" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys coveri Fisher" lsidName-HNS="Strumigenys coveri Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="coveri">coveri</taxonomicName>
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is as long as or longer than broad in dorsal view (distinctly broader than long in
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<taxonomicName id="E1792E1C3C18EE6BB9B7E3510C1C63F3" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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).
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</paragraph>
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<paragraph id="E05DF335DD17D43BED024EE961200D9B" pageNumber="642">
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2 The head has large spoon-shaped hairs on the dorsum of the occipital lobes in
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<taxonomicName id="6D47BFEDF603EA61A5E041558E6CB410" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155824" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys gorgon Fisher" lsidName-HNS="Strumigenys gorgon Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="gorgon">gorgon</taxonomicName>
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(absent in
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<taxonomicName id="ED450C28F29FBB68FC99AF87B3DD2D85" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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).
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</paragraph>
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<paragraph id="DA8D467BA8ED3B83F34E7E7D6D601F61" pageNumber="642">
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3 The punctate sculpture of the vertex is much denser and more crowded in rabesoni than in
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<taxonomicName id="87C5AB1B288F6626DDB49445D46B2C77" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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.
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</paragraph>
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<paragraph id="817A062F5794A82579896AD109636E5A" pageNumber="642">
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4 The mesonotum has a single pair of short straight standing hairs in peyrierasi (absent in
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<taxonomicName id="82D2DE6BA1BD63774CBD419F29FC26C5" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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).
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</paragraph>
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<paragraph id="326BC5023F3019841E4F4B37D988D60F" pageNumber="642">
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The presence of dense blanketing reticulate-punctate sculpture on the dorsum of the head distinguishes the sylvaini-complex from
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<taxonomicName id="1C72C7F1D7AA09069EDA737BC04123C2" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155823" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys dexis Fisher" lsidName-HNS="Strumigenys dexis Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="dexis">dexis</taxonomicName>
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and its immediate allies discussed above. Beside the sculpture
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<taxonomicName id="9EEF439687184C8695DE9BCDA67A4632" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155820" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys alperti Fisher" lsidName-HNS="Strumigenys alperti Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="alperti">alperti</taxonomicName>
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and
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<taxonomicName id="BD43909E88AFC66128B46A0510D4D63C" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155821" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys carolinae Fisher" lsidName-HNS="Strumigenys carolinae Fisher" order="Hymenoptera" pageNumber="642" phylum="Arthropoda" rank="species" species="carolinae">carolinae</taxonomicName>
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have a unique distribution of scale-like hairs anteriorly on the cephalic dorsum, and sylvaini and wardi have standing hairs on the head and body, neither of which occurs in the four species of the (feus-complex.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |