treatments-xml/data/6D/37/8B/6D378BC0FB20FF10AA2A00BC69AAE68F.xml

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<mods:title id="CB72AE5B4E18F957F78E3418495B2373">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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<treatment id="6D378BC0FB20FF10AA2A00BC69AAE68F" ID-DOI="http://doi.org/10.5281/zenodo.6280162" ID-GBIF-Taxon="100120146" ID-Zenodo-Dep="6280162" LSID="urn:lsid:plazi:treatment:6D378BC0FB20FF10AA2A00BC69AAE68F" httpUri="http://treatment.plazi.org/id/6D378BC0FB20FF10AA2A00BC69AAE68F" lastPageNumber="650" pageNumber="649">
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<paragraph id="23B7B3C232A6409C6D66C4755BCEB99F" pageNumber="649">
<taxonomicName id="2F0B68E7BF9478BDC228A75202FA9916" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155831" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys ampyx Fisher" lsidName-HNS="Strumigenys ampyx Fisher" order="Hymenoptera" pageNumber="649" phylum="Arthropoda" rank="species" species="ampyx">Strumigenys ampyx Fisher</taxonomicName>
<taxonomicNameLabel id="4004E2F0B03DF61C64B7838F2DC45387" rank="species">sp. n.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="56B02DA1958FD79B5BC0F4B2A455BE07" type="diagnosis">
<paragraph id="7C47D9BD71B6BB9AA6790AB6C5C6D9C4" pageNumber="649">HOLOTYPE WORKER. TL 2.6, HL 0.76, HW 0.64, CI 85, ML 0.42, MI 55, SL 0.52, SI 81, PW 0.33, AL 0.76. Characters of chilo-complex. Mandibles almost straight and at full closure parallel. Apical fork of mandible subtended by a third, shorter spiniform tooth, the fork effectively 3 - dentate; without intercalary teeth or denticles. Preapical teeth absent but a small spiniform denticle may occur immediately proximal of apicodorsal tooth on right mandible. Upper scrobe margin ends, or at least becomes extremely indistinct, at about the level of the eye; when viewed in profile, upper scrobe margin extends posteriorly across dorsal apex of vertical preocular groove of side of head; preocular groove meets and is interrupted by the upper scrobe margin before reaching the cephalic dorsum. Eye large, convex, and plainly visible in full-face view. Scape long and slender, approximately straight, the leading edge with a row of slender hairs which are slightly flattened or spoonshaped apically. Cephalic dorsum densely clothed with curved spoon-shape ground-pilosity; the upper scrobe margin without a row of hairs. Cephalic dorsum with 6 simple standing hairs arranged in a transverse row close to the occipital margin. Dorsum of head reticulatepunctate. Pronotum without standing hairs. Mesonotum with two pairs of stout standing remiform to narrowly clavate hairs: a pair on anterior margin and a posteriorly situated pair. Propodeum with one pair of short, fine, posteriorly curved hairs immediately anterior of propodeal spines. Ground-pilosity on alitrunk as on head but sparser. With the alitrunk in profile the posterior portion of the mesonotum sharply depressed, the metanotal groove represented by a shallow impression. Pronotal humeri rounded. Lateral margin of posterior pronotum bluntly marginate. Anterior mesonotum with a narrow carina above the mesothoracic spiracle. Propodeal tooth long, slender, almost spiniform; propodeal lamella absent. Alitrunk dorsum and sides reticulate-punctate. Petiole node in dorsal view reticulate-punctate and much longer than broad. Postpetiole reticulate-punctate. Spongiform appendages of petiole weakly developed. Postpetiole with small but distinct lateral and ventral spongiform lobes. Basigastral costulae fine and superficial across base of gaster without a central clear area; gaster smooth and shiny where clean. Dorsal surfaces of petiole and postpetioje each with a pair of posteriorly projecting stout hairs; gaster with stout standing hairs which are weakly swollen apically. Colour dull yellow to light medium brown.</paragraph>
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<subSubSection id="CCF4A4F2D7878424FB68EC169BC1DF87" type="description">
<paragraph id="34AFC8F5724E8095D440C6A6FFC649A3" lastPageNumber="650" pageNumber="649">PARATYPE WORKERS. TL 2.9 - 3.1, HL 0.74 - 0.79, HW 0.62 - 0.67, CI 83 - 87, ML 0.40 - 0.43, MI 53 - 57, SL 0.50 - 0.55, SI 78 - 85, PW 0.32 - 0.35, AL 0.72 - 0.77 (8 measured). As holotype.</paragraph>
</subSubSection>
<subSubSection id="830BB88799135A6DCF878F6A716AF573" type="materials_examined">
<paragraph id="041AC307372B41FB153544EDFCB12175" pageNumber="650">Holotype worker, Madagascar: Isalo Nat. Park, Ranohira Canion de Singe forest, 800 m., 22 ° 29 ' S, 45 ° 331 E, 17. ii. 1993, twig nest, # 1397 w (E. Rajeriarisori) (MCZ).</paragraph>
<paragraph id="D4D06A007383BD8B0BBE2FA034EF2FD4" pageNumber="650">Paratypes. 10 workers with same data as holotype but coded: #. 13962,. 13965,. 13968,. 13970,. 13977 (BMNH, SAM).</paragraph>
<paragraph id="58960CA3E2828A6AF1E03DCBB0D3EE14" pageNumber="650">NON-PARATYPIC MATERIAL EXAMINED. Madagascar: F. C. Didy 960 m. (H. J. Ratsirarson); 6 km. ESE Andasibe, 900 m. (P. S. Vhrd); Ranomafana (A. Kingman); Ranomafana (V. Roth); 7 km. W Ranomafana Nat. Park, 900 m. (WE. Steiner); Isalo Nat. Park (E. Rajeriarisori).</paragraph>
</subSubSection>
<subSubSection id="69D41C4D16C5119D4B0926AAC79809A3" type="description">
<paragraph id="14F2C25223C29767DCF59305EF481D55" pageNumber="650">Measurements of this material extend the range shown by the type-series: HL 0.80 - 0.81, HW 0.66 - 0.73, CI 83 - 89, ML 0.43 - 0.46, MI 53 - 57, SL 0.54 - 0.57, SI 77 - 82 (3 measured).</paragraph>
<paragraph id="DF61F520CD10A1B16E46337A9F9757B7" pageNumber="650">
Among the Malagasy species that have the mandibular apical fork subtended by a shorter third tooth 
<taxonomicName id="BF47531484C0A398E919C3C4725F9585" LSID-HNS="urn:lsid:biosci.ohio-state.edu:osuc_concepts:155831" class="Insecta" family="Formicidae" genus="Strumigenys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Strumigenys ampyx Fisher" lsidName-HNS="Strumigenys ampyx Fisher" order="Hymenoptera" pageNumber="650" phylum="Arthropoda" rank="species" species="ampyx">ampyx</taxonomicName>
is easily isolated by the following characters:
</paragraph>
</subSubSection>
<subSubSection id="8E8998DE70E1149F62AC6B58CEEC679C" type="diagnosis">
<paragraph id="BC804FF493DCD5FF2BAF556F610C91E5" pageNumber="650">1 Upper scrobe margin ends, or at least becomes extremely indistinct, at about the level of the eye; when viewed in profile, upper scrobe margin extends posteriorly across dorsal apex of vertical preocular groove of side of head; preocular groove meets and is interrupted by the upper scrobe margin before reaching the cephalic dorsum.</paragraph>
<paragraph id="AECFC027897EE0C0A1BA75242FB2C487" pageNumber="650">2 Mesonotum with 2 pairs of erect hairs on anterior margin.</paragraph>
<paragraph id="18E410A66B3156324CA2B182D14B441E" pageNumber="650">3 Cephalic dorsum with a transverse row of six erect hairs immediately in front of occipital</paragraph>
<paragraph id="CF999B87A29B8AE320622914E3F80851" pageNumber="650">margin.</paragraph>
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