131 lines
18 KiB
XML
131 lines
18 KiB
XML
<document id="D6F6B1C6D8D0CCBDA8C8E50C9B4E5649" ENCODING="UTF8" ID-CLB-Dataset="51834" ID-DOI="10.11646/zootaxa.3699.1.1" ID-GBIF-Dataset="5918b440-d835-4e34-9618-f1b58aab1bed" ID-HNS-Pub="27552" checkinTime="1409237179507" checkinUser="donat" docAuthor="Longino, John T" docDate="2013" docId="190B68ED6A0F103AB976CD6B83124DE6" docLanguage="en" docName="27552.htm.xml" docOrigin="Zootaxa 3699" docTitle="Octostruma cyrtinotum Longino, sp. nov." docType="treatment" docVersion="7" lastPageNumber="29" masterDocId="EE74F677DCA4F13702125E9CE8D29A0F" masterDocTitle="A revision of the ant genus Octostruma Forel 1912 (Hymenoptera, Formicidae)" masterLastPageNumber="61" masterPageNumber="1" pageNumber="27" updateTime="1732670014528" updateUser="ExternalLinkService">
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<mods:mods id="914CC3460E988A374682B4811C5F2289" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="0BAD0407F940346DBA94DBD31828A3A7">
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<mods:title id="18387032C2FE6050CDAE006DCB67F776">A revision of the ant genus Octostruma Forel 1912 (Hymenoptera, Formicidae)</mods:title>
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</mods:titleInfo>
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<mods:name id="E7362F99BC3573F85F3A29A363CFC213" type="personal">
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<mods:role id="05B83079691F1B88A80AB3C8827E763A">
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<mods:roleTerm id="2E4A67DD70206A42FBE8DDA5D4659069">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1DAC9B23AC3E659021AE58D972E75CAE">Longino, John T</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="22D8D253CE95EE00F2B505FC1A05394B">text</mods:typeOfResource>
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<mods:titleInfo id="7DA6F15CB1C9505A028FD74CEBD9FE40">
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<mods:title id="30972398F556E8878547788D755EB06F">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="54058B81664319BAC084151460A23B2F">
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<mods:date id="1C32A8083A4488021C4452CE5B17803E">2013</mods:date>
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<mods:detail id="16A038460DC2D1BA275173C0B7AF8340" type="volume">
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<mods:number id="EC5B97FECD2417831B0AE06BB4ABBEC2">3699</mods:number>
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<mods:extent id="1656FB77C85BE33C7A53ED829750F820" unit="page">
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<mods:start id="325570AB44CA3248A7D2F002E82718A9">1</mods:start>
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<mods:end id="3C2C97FF98C1ED9DF8C242F905B93CAB">61</mods:end>
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<mods:classification id="EC365AE93B1928625B033AA156E7DB3E">journal article</mods:classification>
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<mods:identifier id="E154834438CD14151E442088A157A3FC" type="HNS-Pub">27552</mods:identifier>
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<mods:identifier id="09DEFA3B317AB78AD14B3CEB6B8A7201" type="DOI">10.11646/zootaxa.3699.1.1</mods:identifier>
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</mods:mods>
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<treatment id="190B68ED6A0F103AB976CD6B83124DE6" ID-DOI="http://doi.org/10.5281/zenodo.6160159" ID-GBIF-Taxon="114913873" ID-Zenodo-Dep="6160159" LSID="urn:lsid:plazi:treatment:190B68ED6A0F103AB976CD6B83124DE6" httpUri="http://treatment.plazi.org/id/190B68ED6A0F103AB976CD6B83124DE6" lastPageId="29" lastPageNumber="29" pageId="27" pageNumber="27" scope_family="Formicidae" scope_order="Hymenoptera">
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<subSubSection id="B98039320B362EA10E43ED98D0B18FBD" pageId="27" pageNumber="27" type="nomenclature">
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<paragraph id="C383C02954E079B488555DCBD3FC5C84" pageId="27" pageNumber="27" type="mainText">
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<taxonomicName id="4076CF3FB95D83E0309FCFA29CF49971" authority="Longino" authorityName="Longino" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="27" pageNumber="27" phylum="Arthropoda" rank="species" species="cyrtinotum">
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Octostruma cyrtinotum
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<authority id="FE44FB99EED4F455AC910DC1EF8654B8" pageId="27" pageNumber="27">Longino</authority>
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</taxonomicName>
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,
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<taxonomicNameLabel id="D4C2AC8397235252E62BD635492C0935" pageId="27" pageNumber="27" rank="species">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="C1E5FEF375457D520E83A895A5927C12" pageId="27" pageNumber="27" type="description">
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<paragraph id="816261F4207A373D6F8CEFC17290AC12" pageId="27" pageNumber="27" type="mainText">(Figs 1C, 3B, 5L, 13A, 14B, 22, 43)</paragraph>
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</subSubSection>
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<subSubSection id="906857A31B27241461CF058E61E695D5" pageId="27" pageNumber="27" type="materials_examined">
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<paragraph id="4B3FEB5605AC6E3AED747ECE49A2006D" pageId="27" pageNumber="27" type="mainText">
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Type material. Holotype worker: HONDURAS, Olancho: PN La Muralla, 15.09832, -86.74043,
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<normalizedToken id="1818CF78338183F7539370DC55C196BD" originalValue="±" pageId="27" pageNumber="27">+/-</normalizedToken>
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20 m, 1530 m, 2 May 2010, cloud forest, ex sifted leaf litter (LLAMA, Wa-C-01-1-06) [CAS, unique specimen identifier CASENT0615495]. Paratype workers: same data except 15.09734, -86.73912,,
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<normalizedToken id="B370385CAEE8E6E9C531D1B0AAFA72C2" originalValue="±" pageId="27" pageNumber="27">+/-</normalizedToken>
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20 m, 1490 m (LLAMA, Wm-C- 01-1-01) [MCZC, CASENT0639167; USNM, CASENT0639168; UCDC, CASENT0639169; UVGC, CASENT0639170; EAPZ, CASENT0639171]; 15.09489, -86.73944,
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<normalizedToken id="AAB33D6F0DE3E5CC1ED60F2381671B6F" originalValue="±" pageId="27" pageNumber="27">+/-</normalizedToken>
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125 m, 1420 m (LLAMA, Wm-C-01-2-01) [ECOSCE, CASENT0627374; MZSP, CASENT0627375; JTLC, CASENT0627376].
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</paragraph>
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</subSubSection>
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<subSubSection id="F47BB9C3C236E2E4D156F65481DA60AE" pageId="27" pageNumber="27" type="distribution">
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<paragraph id="23C2E3286B4D78FF2A29EAB863FEEE2B" pageId="27" pageNumber="27" type="mainText">Geographic range. Honduras, Nicaragua.</paragraph>
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</subSubSection>
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<subSubSection id="73A1C2B04E7F7F13EA5D9EA92E6787A5" lastPageId="28" lastPageNumber="28" pageId="27" pageNumber="27" type="diagnosis">
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<paragraph id="493CD91B4DF40BFE93D4631F93ECEB31" lastPageId="28" lastPageNumber="28" pageId="27" pageNumber="27" type="mainText">
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Diagnosis. Face lacking transverse arcuate carina; basal five teeth of mandible acute; apex of labrum bilobed;
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<pageBreakToken id="3541DABD4DFD0ED091697B53B2BAC824" pageId="28" pageNumber="28" start="start">face</pageBreakToken>
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typically with 8 spatulate setae, seta-bearing pits along vertex margin large; filiform setae lacking on petiole, postpetiole, first gastral sternite; anterior half of dorsal face of propodeum convex, demarcating impressed metanotal groove; a single pair of spatulate setae on the mesonotum.
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</paragraph>
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</subSubSection>
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<subSubSection id="C7FBE75DC4C39DC12D7A1EBD109772F2" lastPageId="29" lastPageNumber="29" pageId="28" pageNumber="28" type="description">
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<paragraph id="441E194D2F589D5A771DFF15ED6D4F07" pageId="28" pageNumber="28" type="mainText">
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Description. Worker. HW 0.70-0.80, HL 0.65-0.74, WL 0.78-0.90, CI 107-112 (n=8). Labrum as in Fig. 1C, sides slightly concave, strap-like lateral portions converging from base to near apex, joined by thin translucent cuticle medially but leaving distinctly bilobed apex, with deep median notch; mandible triangular, in profile view with mandible closed, in same plane as clypeus, apex of mandible not down-turned; with mandible fully open, dorsal face remains in same plane as clypeus; mandible with 8 teeth (Fig. 3B), tooth 1 continuous with basal rim of dorsal surface, teeth 1-5 acute, similar in shape, a minute denticle between 4 and 5, teeth 5-8 forming an apical fork, with 5 and 8 large, 6 and 7 small partially confluent denticles; dorsal surface of mandible roughened; ventral surface flat and parallel to clypeus apically, twisting basally to nearly perpendicular orientation basally, smooth and shining; interior surface concave, smooth and shining; scape flattened, with pronounced anterobasal lobe, dorsal surface shallowly rugulose; clypeus with broad, shallow emargination anteriorly; clypeus smooth and shiny with sparse shallow
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<taxonomicName id="578C288FFB41D27AF5B4475DA4CE2991" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="28" pageNumber="28" phylum="Arthropoda" rank="species" species="puncta">puncta</taxonomicName>
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; face shallowly irregularly rugulose with shiny surface; frontal carinae faint, nearly obsolete; antennal socket deep, dorsal rim of socket continuous with pronounced dorsal margin of antennal scrobe; antennal scrobe deep, strongly delimited dorsally, posteriorly, and ventrally with sharply defined thin cuticular rim; compound eye small, circular, composed of about 7 ommatidia; distinct carina extends from ventral margin of antennal socket across floor of scrobe to compound eye; scrobe floor smooth and shiny; vertex margin anterior to occipital carina smooth and shining (top of head, not visible in face view); occipital carina extends anteriorly on ventral surface of head nearly to hypostoma; postgenal suture visible as dark line on undersurface of head; undersurface rugulose.
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</paragraph>
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<paragraph id="E98417754BBDD1A51E0AF4C389C772F1" pageId="28" pageNumber="28" type="mainText">Promesonotum moderately convex in profile, promesonotal suture moderately impressed, promesonotum with broad, weak, longitudinal impression; metanotal groove more strongly impressed, conspicuous in profile view; propodeum with distinct dorsal and posterior faces; dorsal face distinctly convex anteriorly, forming a gibbosity in profile view; propodeal spines well-developed, in the form of acute flattened perpendicular plates, extending ventrally as thin carinae; single well-defined transverse carina extends between propodeal spines, separating dorsal and posterior faces of propodeum; propodeal spiracle medium-size, diameter less than width of base of propodeal spine, located below propodeal spine and abutting posterior margin; all surfaces of mesosoma matte except posterior face of propodeum, which is shiny; dorsum of promesonotum irregularly rugose, dorsal face of propodeum faintly rugulose, posterior face of propodeum smooth, lateral pronotum punctate; meso- metapleuron and side of propodeum confluent, smooth.</paragraph>
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<paragraph id="95E96A60B59DCA81F8A0CBB85900EA06" pageId="28" pageNumber="28" type="mainText">
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Petiole in profile with peduncle differentiated from node, node with differentiated anterior face; node subquadrate, with long sloping dorsal face and short vertical posterior face; anteroventral margin with pronounced, anteriorly-directed peg-like tooth; postpetiole low, broad, crescent-shaped in dorsal view; dorsum of petiolar node rugose; dorsum of postpetiole faintly rugulose anteriorly, grading to punctate posteriorly; first gastral tergite and sternite densely punctate, tergal
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<taxonomicName id="1CD1352BB7F9FEFB5CAEDCC695411B47" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="28" pageNumber="28" phylum="Arthropoda" rank="species" species="puncta">puncta</taxonomicName>
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fainter posteriorly but still extending to posterior border.
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</paragraph>
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<paragraph id="6F2ADB78D9E8F1DD0E02E6F585881A6A" pageId="28" pageNumber="28" type="mainText">
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Anterior labral lobe with radiating tuli of soft, thick, translucent, capitate setae of unequal length projecting from apex (like Fig. 2); each larger mandibular tooth with fully appressed seta running length of tooth; anterior margin of scape with about nine stiff spatulate setae; clypeus and face with fine, sparse fully appressed ground pilosity; face typically with eight erect spatulate setae arranged as in Fig. 5L; setae on vertex margin arising from large, ringed
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<taxonomicName id="27C43D6E008E06B0CE476C9628F0EBEE" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="28" pageNumber="28" phylum="Arthropoda" rank="species" species="puncta">puncta</taxonomicName>
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; pronotum lacking erect setae (one pair on CASENT0610706, Honduras, Olancho: 11km NNE Catacamas); mesonotum typically with a pair of erect spatulate setae located at the juncture of pro- and mesonotum (lacking on CASENT0610830, Honduras, Francisco
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<normalizedToken id="14C8BD1E2C88277ACF67F6935E6E66A0" originalValue="Morazân" pageId="28" pageNumber="28">Morazan</normalizedToken>
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, 21km S Guaimaca); mesotibia with conspicuous ground pilosity, about 5 spatulate setae of variable length at apex; petiole and postpetiole lacking erect setae; first gastral tergite with 2-4 (typically 4) long spatulate setae at posterior margin, 3-8 setae on disc, ground pilosity fully appressed, sparse (length of setae less than distance between them); first gastral sternite with abundant spatulate setae clustered on posterior half, anterior half to one third devoid of setae, sternal setae shorter than tergal setae.
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</paragraph>
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<paragraph id="7A905CDF62020A2431DA29B67039BF36" pageId="28" pageNumber="28" type="mainText">Color red brown.</paragraph>
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<paragraph id="F7954798FC926B22FDEA3A71FA865DD9" pageId="28" pageNumber="28" type="mainText">Queen. HW 0.89-0.91, HL 0.78-0.81, WL 1.14-1.17, CI 111-115 (n=3). Head shape as in Fig. 14B; labrum, mandible, scape, antennal scrobe, and head sculpture similar to worker; face with 8 erect setae distributed as in worker, plus 1-2 on central frons, anterior to lateral ocelli; ocelli distinct; compound eye large, multifaceted, about 12 ommatidia in longest row.</paragraph>
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<paragraph id="B8147CE88DB01423119BAC3504764E19" pageId="29" pageNumber="29" type="mainText">
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<pageBreakToken id="62043424605E1C24DBE78EB5DF265313" pageId="29" pageNumber="29" start="start">Mesosoma</pageBreakToken>
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with queen-typical alar sclerites; pronotum irregularly rugose anteriorly, punctatorugose laterally; mesoscutum coarsely longitudinally rugose; axilla and scutellum coarsely irregularly rugose; anepisternum and katepisternum separated by strong sulcus; anepisternum, katepisternum, and side of propodeum matte, mostly smooth with variable faint rugulae; propodeum and propodeal spines similar to worker; pronotum with about 4 erect setae, mesoscutum with about 6, axilla with 1, scutellum with 2, metanotum with 2, petiolar node with 2, postpetiolar disc with 2, first gastral tergite with about 20. Other characters similar to worker.
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</paragraph>
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</subSubSection>
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<subSubSection id="6B7615CC0E48663EC8E730D9CD253046" pageId="29" pageNumber="29" type="biology_ecology">
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<paragraph id="6B036368C94B18DB2ABB1CBC5E234DCA" pageId="29" pageNumber="29" type="mainText">
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Biology.
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<taxonomicName id="380854C8B01EB5AE3F1B2CB38DBD45CC" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="cyrtinotum">Octostruma cyrtinotum</taxonomicName>
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is a moderately abundant montane species in Honduras and Guatemala. All records are from 1300-1700 m. It occurs in mesophyll cloud forest, and montane forests with various mixtures of pine, oak, and Liquidambar. All collections are from Berlese and Winkler samples of sifted litter and rotten wood from the forest floor. In quantitative 1 m
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<sup id="06D4AD721B6061AE97B602465901823D" pageId="29" pageNumber="29">2</sup>
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litter plot samples, it can occur in up to 28% of samples. Dealate queens are occasionally found together with workers in litter samples.
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</paragraph>
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</subSubSection>
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<subSubSection id="7C80DC359B88D170CAEACF46E5723279" pageId="29" pageNumber="29" type="discussion">
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<paragraph id="AED523FA5C4E6434D5BB30C41A09138D" pageId="29" pageNumber="29" type="mainText">
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Comments. This species is very similar to the allopatric
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<taxonomicName id="035BEE9A66D5525E4922971399EFA2BE" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="montanis">O. montanis</taxonomicName>
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, from montane sites in southern Nicaragua and northern Costa Rica. The two differ only in small differences in the number of spatulate setae. The three species
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<taxonomicName id="6775ACCE79D04C06B9A4A58A7C1DCC68" authority="," authorityName="," class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="cyrtinotum">
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O. cyrtinotum
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<authority id="88CCCDB3C3D43FD4E0CD838D295AF4AB" pageId="29" pageNumber="29">,</authority>
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</taxonomicName>
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<taxonomicName id="DD80C0C10B838742041EE76868896F47" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="montanis">O. montanis</taxonomicName>
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, and
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<taxonomicName id="6405B23C04DA4868786F1AAC04FE6504" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="planities">O. planities</taxonomicName>
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possibly form a clade based on shared labral shape, similar size and shape, and orange coloration.
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<taxonomicName id="477E76023DE218AFDF7AEA57A90834F5" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="planities">Octostruma planities</taxonomicName>
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is a lowland species, showing an elevational parapatric distribution with both
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<taxonomicName id="8AC91FA1B08D2AE341C02CF388B41A61" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="cyrtinotum">O. cyrtinotum</taxonomicName>
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and
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<taxonomicName id="B09D701B2F98B531E97742917F95DE41" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="montanis">O. montanis</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="895EEAE242A9CB1DF94B575FFAC9ADBE" pageId="29" pageNumber="29" type="etymology">
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<paragraph id="CB02EAE0224EFEA02C21979BB8A6042F" pageId="29" pageNumber="29" type="mainText">
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Etymology. The
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<taxonomicName id="EF514F1EA067C4B9D8FC6F3CA0604A97" class="Insecta" family="Formicidae" genus="Octostruma" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="29" pageNumber="29" phylum="Arthropoda" rank="species" species="name">name</taxonomicName>
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refers to the convexity on the propodeal dorsum. It is a noun in apposition and thus invariant.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |