265 lines
36 KiB
XML
265 lines
36 KiB
XML
<document id="B1F0F0E9E0011D2BF403880103AC1C9D" ID-CLB-Dataset="51752" ID-DOI="http://dx.doi.org/10.11646/zootaxa.4029.1.1" ID-GBIF-Dataset="85cd7166-7b23-496d-8b10-7f1dcf2c4d60" ID-ISSN="1175-5326" ID-ZooBank="A625A5A9-EE80-45E0-A9BE-7A183B0996B1" checkinTime="1447441568197" checkinUser="donat" docAuthor="Robert A. Johnson" docDate="2015" docId="971D8786FFAAFFFD65D412F1D306218B" docLanguage="en" docName="29902.pdf.imf" docOrigin="Zootaxa 4029 (1)" docTitle="Pogonomyrmex inermis" docType="treatment" docVersion="7" lastPageNumber="70" masterDocId="6B24FFFEFFE9FFB865431775D1342613" masterDocTitle="A taxonomic revision of South American species of the seed-harvester ant genus Pogonomyrmex (Hymenoptera: Formicidae). Part I" masterLastPageNumber="142" masterPageNumber="1" pageNumber="68" updateTime="1732675905917" updateUser="ExternalLinkService">
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<mods:titleInfo id="40012D057C959CBA91F02A3314DD0E94">
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<mods:title id="672A0D28E2F6F100015AA0522F847847">A taxonomic revision of South American species of the seed-harvester ant genus Pogonomyrmex (Hymenoptera: Formicidae). Part I</mods:title>
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<mods:name id="BC9CFB98F8C1313B0396EC1D525E3560" type="personal">
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<mods:roleTerm id="995A628283BFDC3AA84395EF87B1CE1F">Author</mods:roleTerm>
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<mods:namePart id="46B002B52E1A0AB3FDD0025D2E544683">Robert A. Johnson</mods:namePart>
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<mods:typeOfResource id="3223D2A281C7073B195DB828AA575449">text</mods:typeOfResource>
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<mods:title id="0D06A4DD1F88F2ABAA8C210B576DD029">Zootaxa</mods:title>
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<mods:part id="29659E48B3FCAAA98E9086D63DE69FF8">
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<mods:date id="F4ACAED08B280B536C0FE9CFEDDAB505">2015</mods:date>
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<mods:detail id="255A4B956D654FE1DF535A0C419DDF0F" type="volume">
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<mods:number id="3D96A3587E951DDA950C76579A2E9780">4029</mods:number>
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<mods:number id="C658B57C398C2E281C76D0929F505139">1</mods:number>
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<mods:classification id="08B61097A0A7CB9D14CA39766B8FD127">journal article</mods:classification>
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<mods:identifier id="0FE19E81D84ADBFF11AC03AC122AE4E6" type="DOI">http://dx.doi.org/10.11646/zootaxa.4029.1.1</mods:identifier>
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<mods:identifier id="DAA65812F191ACB1310C608328E3E072" type="ISSN">1175-5326</mods:identifier>
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<treatment id="971D8786FFAAFFFD65D412F1D306218B" ID-DOI="http://doi.org/10.5281/zenodo.6115584" ID-GBIF-Taxon="114920422" ID-Zenodo-Dep="6115584" LSID="urn:lsid:plazi:treatment:971D8786FFAAFFFD65D412F1D306218B" httpUri="http://treatment.plazi.org/id/971D8786FFAAFFFD65D412F1D306218B" lastPageId="69" lastPageNumber="70" pageId="67" pageNumber="68" scope_family="Formicidae" scope_order="Hymenoptera">
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<subSubSection id="57AE651BFFAAFFFB65D412F1D08C238E" box="[151,440,1412,1437]" pageId="67" pageNumber="68" type="nomenclature">
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<paragraph id="1F0B3690FFAAFFFB65D412F1D08C238E" box="[151,440,1412,1437]" pageId="67" pageNumber="68">
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<heading id="444381FCFFAAFFFB65D412F1D08C238E" bold="true" box="[151,440,1412,1437]" fontSize="11" level="1" pageId="67" pageNumber="68" reason="1">
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<taxonomicName id="D8B44D13FFAAFFFB65D412F1D08C238E" ID-CoL="4KVVC" box="[151,440,1412,1437]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="67" pageNumber="68" phylum="Arthropoda" rank="species" species="inermis">
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<emphasis id="2DC0EA82FFAAFFFB65D412F1D08C238E" bold="true" box="[151,440,1412,1437]" italics="true" pageId="67" pageNumber="68">Pogonomyrmex inermis</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="57AE651BFFAAFFFB65D412D3D07E23AC" box="[151,330,1446,1471]" pageId="67" pageNumber="68" type="description">
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<paragraph id="1F0B3690FFAAFFFB65D412D3D07E23AC" box="[151,330,1446,1471]" pageId="67" pageNumber="68">
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(
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<figureCitation id="878F2A15FFAAFFFB65DC12D3D07623AC" box="[159,322,1446,1471]" captionStart-0="FIGURE 32" captionStart-1="FIGURE 33" captionStart-2="FIGURE 34" captionStartId-0="70.[151,249,1978,2000]" captionStartId-1="71.[151,249,1978,2000]" captionStartId-2="72.[151,249,1978,2000]" captionTargetBox-0="[397,1182,193,1956]" captionTargetBox-1="[405,1178,193,1955]" captionTargetBox-2="[431,1149,193,1956]" captionTargetId-0="figure@70.[397,1189,193,1956]" captionTargetId-1="figure@71.[405,1181,193,1956]" captionTargetId-2="figure@72.[431,1156,193,1956]" captionTargetPageId-0="70" captionTargetPageId-1="71" captionTargetPageId-2="72" captionText-0="FIGURE 32. Photograph of Pogonomyrmex inermis Forel worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0102694). Photographs by April Nobile from www. AntWeb. org." captionText-1="FIGURE 33. Photograph of Pogonomyrmex inermis Forel alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0235305). Photographs by Will Ericson from www. AntWeb. org." captionText-2="FIGURE 34. Photograph of Pogonomyrmex inermis Forel male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0235306). Photographs by Estella Ortega from www. AntWeb. org." pageId="67" pageNumber="68">Figures 32–34</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="57AE651BFFAAFFFB65D4129AD50A2051" pageId="67" pageNumber="68" type="reference_group">
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<paragraph id="1F0B3690FFAAFFFB65D4129AD50A2051" pageId="67" pageNumber="68">
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<taxonomicName id="D8B44D13FFAAFFFB65D4129AD30B2016" authority="Forel, 1914: 267" authorityName="Forel" authorityPageNumber="267" authorityYear="1914" box="[151,575,1518,1541]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="67" pageNumber="68" phylum="Arthropoda" rank="species" species="inermis">
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<emphasis id="2DC0EA82FFAAFFFB65D4129AD0BE2017" box="[151,394,1519,1540]" italics="true" pageId="67" pageNumber="68">Pogonomyrmex inermis</emphasis>
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Forel, 1914: 267
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</taxonomicName>
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(worker). Syntypes examined: 2 workers [MACN], 8 workers [MHNG], 1 worker [MLPA], ARGENTINA, San Luis: Alto Pencoso, #204 (C. Bruch leg.). See also Gallardo, 1932: 128, fig. 18; Kusnezov, 1951: figs. 9a, 9b. MACN worker here designated
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<emphasis id="2DC0EA82FFAAFFFB678A1159D2502051" bold="true" box="[713,868,1580,1602]" pageId="67" pageNumber="68">LECTOTYPE</emphasis>
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[CASENT0217257].
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</paragraph>
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</subSubSection>
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<subSubSection id="57AE651BFFAAFFFB65D4111AD54420B8" pageId="67" pageNumber="68" type="diagnosis">
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<paragraph id="1F0B3690FFAAFFFB65D4111AD54420B8" pageId="67" pageNumber="68">
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<emphasis id="2DC0EA82FFAAFFFB65D4111AD0482094" bold="true" box="[151,380,1646,1671]" pageId="67" pageNumber="68">Worker. Diagnosis.</emphasis>
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Within the
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<taxonomicName id="D8B44D13FFAAFFFB6745111AD3AE2095" box="[518,666,1646,1670]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="67" pageNumber="68" phylum="Arthropoda" rank="species" species="bispinosus">
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<emphasis id="2DC0EA82FFAAFFFB6745111AD3AE2095" box="[518,666,1646,1670]" italics="true" pageId="67" pageNumber="68">P. bispinosus</emphasis>
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</taxonomicName>
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-group, the combination of: (1) superior propodeal spines absent or consisting of small denticles or tubercles uniquely characterize this species (
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<figureCitation id="878F2A15FFAAFFFB66AD11E7D55420B8" box="[1006,1120,1682,1707]" captionStart="FIGURE 32" captionStartId="70.[151,249,1978,2000]" captionTargetBox="[397,1182,193,1956]" captionTargetId="figure@70.[397,1189,193,1956]" captionTargetPageId="70" captionText="FIGURE 32. Photograph of Pogonomyrmex inermis Forel worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0102694). Photographs by April Nobile from www. AntWeb. org." pageId="67" pageNumber="68">
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<emphasis id="2DC0EA82FFAAFFFB66AD11E7D55420B8" bold="true" box="[1006,1120,1682,1707]" pageId="67" pageNumber="68">Figure 32</emphasis>
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</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="57AE651BFFAAFFFD658411C2D3222753" lastPageId="69" lastPageNumber="70" pageId="67" pageNumber="68" type="description">
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<paragraph id="1F0B3690FFAAFFFB658411C2D3472128" pageId="67" pageNumber="68">
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<emphasis id="2DC0EA82FFAAFFFB658411C2D04220DD" bold="true" box="[199,374,1719,1742]" pageId="67" pageNumber="68">Measurements</emphasis>
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—lectotype (
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<emphasis id="2DC0EA82FFAAFFFB674E11C2D32F20DD" box="[525,539,1719,1742]" italics="true" pageId="67" pageNumber="68">n</emphasis>
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= 12). HL 1.74 (1.59–1.79); HW 1.86 (1.59–1.84); MOD 0.33 (0.30–0.39); OMD 0.37 (0.38–0.50); SL 1.26 (1.16–1.35); PNW 1.21 (1.04–1.19); HFL 1.78 (1.59–1.87); ML 1.85 (1.91–2.18); PW 0.50 (0.39–0.47); PPW 0.61 (0.53–0.63). Indices: SI 67.74 (66.67–76.10); CI 106.90 (98.18–106.98); OI 17.74 (17.34–22.16); HFI 95.70 (92.13–103.77).
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</paragraph>
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<paragraph id="1F0B3690FFAAFFFC65841033D27E270F" lastPageId="68" lastPageNumber="69" pageId="67" pageNumber="68">
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<emphasis id="2DC0EA82FFAAFFFB65841033D059214C" bold="true" box="[199,365,1862,1887]" pageId="67" pageNumber="68">Redescription</emphasis>
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. Head quadrate to slightly wider than long (CI = 98.18– 106.98), widest just posterior to eyes; posterior margin flat to weakly concave in full-face view. Longitudinal rugae on cephalic dorsum prominent, wavy to irregular, often moderately rugoreticulate toward posterior margin; in full-face view, medial rugae diverging weakly toward posterior corners of head. In profile, rugae posterior to eyes converging near vertex. Cephalic interrugae strongly granulate, dull; vertex rugose. Anterior margin of clypeus concave; dorsal surface with several subparallel, longitudinal rugae. Mandible with six teeth; mandibular dorsum coarsely rugose. MOD ranging from 0.18–0.23x HL. In profile, eyes situated slightly anterior to middle of head, OMD = 1.10–1.54x MOD. Antennal scapes moderately long (SI = 66.67–76.10), failing to reach vertex by length of basal funicular segment; entire scape with longitudinal striae. Psammophore well-developed.
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</paragraph>
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<paragraph id="1F0B3690FFADFFFC65841652D372242F" pageId="68" pageNumber="69">Mesosomal profile strongly convex; all mesosomal surfaces with prominent irregular rugae to rugoreticulate. Anterior margin of pronotal dorsum with irregular transverse rugae that traverse posteroventrally or become rugoreticulate on pronotal sides; dorsum of mesonotum with irregular longitudinal rugae, or rugoreticulate to vermiculate; rugae on mesopleura longitudinal or traversing posterodorsally; dorsum of propodeum with irregular transverse rugae that traverse ventrally or anteroventrally on propodeal sides. Interrugae on mesosoma weakly to strongly granulate, dull to weakly shining. Superior propodeal spines absent or consisting of small denticles or tubercles. Inferior propodeal spines lacking. Propodeal spiracles narrowly ovate facing posterad. Legs moderately to strongly coriarious, weakly shining.</paragraph>
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<paragraph id="1F0B3690FFADFFFC65841532D407252B" pageId="68" pageNumber="69">Peduncle of petiole about 0.8x as long as petiolar node, anteroventral margin often with poorly-developed, broadly rounded process. In profile, petiolar node asymmetrical with anterior surface shorter than posterior surface; apex broadly rounded. In dorsal view, petiolar node longer than wide, widest near spatulate anterior margin. Sides and posterior surface of petiolar node with coarse, irregular, transverse rugae or rugoreticulate; interrugae weakly to moderately granulate, weakly shining to shining. Dorsum of postpetiole convex in profile; in dorsal view, widest near posterior margin, narrowing to anterior margin, maximal width about equal to length, moderately to strongly coriarious, dull to weakly shining. First gastral tergum moderately to strongly coriarious, weakly shining.</paragraph>
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<paragraph id="1F0B3690FFADFFFC65841430D2EF2203" pageId="68" pageNumber="69">
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Erect whitish to yellowish pilosity moderately abundant on head, variable in length, longest hairs not exceeding MOD. Moderately abundant suberect to semidecumbent pilosity on scape; abundant decumbent hairs on funicular segments. Legs with moderately abundant suberect to decumbent white setae. Mesosoma, petiolar node, postpetiole, first gastral tergum with moderately dense, erect, white setae, often similar in length, longest hairs on mesosoma approaching MOD. Body tannish-brown to reddish-brown, posterior portion of petiolar node and postpetiole often darker brown, gaster dark brown to blackish (
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<figureCitation id="878F2A15FFADFFFC661A1482D2FF2203" box="[857,971,1015,1040]" captionStart="FIGURE 32" captionStartId="70.[151,249,1978,2000]" captionTargetBox="[397,1182,193,1956]" captionTargetId="figure@70.[397,1189,193,1956]" captionTargetPageId="70" captionText="FIGURE 32. Photograph of Pogonomyrmex inermis Forel worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0102694). Photographs by April Nobile from www. AntWeb. org." pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC661A1482D2FF2203" bold="true" box="[857,971,1015,1040]" pageId="68" pageNumber="69">Figure 32</emphasis>
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</figureCitation>
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).
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</paragraph>
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<paragraph id="1F0B3690FFADFFFC65841369D46622B3" pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC65841369D0A82227" bold="true" box="[199,412,1052,1076]" pageId="68" pageNumber="69">Queen. Diagnosis.</emphasis>
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This caste is diagnosed by: (1) caste-specific morphology of the mesosoma related to wingbearing and presence of ocelli on head, (2) superior propodeal spines absent or consisting of small denticles, (3) inferior propodeal spines lacking, (4) in dorsal view, dorsum of postpetiole lacking transverse rugae, or rugae few and incomplete, and (5) body usually bicolored, with gaster noticeably darker than rest of body (
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<figureCitation id="878F2A15FFADFFFC619313F2D47622B3" box="[1232,1346,1159,1184]" captionStart="FIGURE 33" captionStartId="71.[151,249,1978,2000]" captionTargetBox="[405,1178,193,1955]" captionTargetId="figure@71.[405,1181,193,1956]" captionTargetPageId="71" captionText="FIGURE 33. Photograph of Pogonomyrmex inermis Forel alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0235305). Photographs by Will Ericson from www. AntWeb. org." pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC619313F2D47622B3" bold="true" box="[1232,1346,1159,1184]" pageId="68" pageNumber="69">Figure 33</emphasis>
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</figureCitation>
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).
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</paragraph>
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<paragraph id="1F0B3690FFADFFFC658413D8D3D7231F" pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC658413D8D04222D7" bold="true" box="[199,374,1197,1220]" pageId="68" pageNumber="69">Measurements</emphasis>
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—(
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<emphasis id="2DC0EA82FFADFFFC64D813D9D09D22D7" box="[411,425,1196,1220]" italics="true" pageId="68" pageNumber="69">n</emphasis>
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= 12). HL 1.74–2.02; HW 1.79–2.19; MOD 0.39–0.47; OMD 0.39–0.56; SL 1.23–1.39; PNW 1.28–1.51; HF 1.72–2.06; ML 2.29–2.65; PW 0.48–0.57; PPW 0.68–0.83. Indices: SI 60.98–73.33; CI 101.60–108.42; OI 18.26–23.50; HFI 86.76–103.52.
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</paragraph>
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<paragraph id="1F0B3690FFADFFFC65841262D2A323F7" pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC65841262D0652323" bold="true" box="[199,337,1303,1328]" pageId="68" pageNumber="69">Description</emphasis>
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. With caste-specific morphology of the mesosoma related to wing-bearing and presence of ocelli on head. In full-face view, head quadrate to wider than long (CI = 101.60–108.42), widest just posterior to eyes, posterior margin flat. Longitudinal rugae on cephalic dorsum prominent, wavy to irregular; in full-face view, medial rugae not diverging toward posterior corners of head, interrugae weakly to moderately granulate-punctate, weakly shining; vertex rugose, interrugae moderately granulate-punctate, dull to weakly shining. Mandible with six teeth, dorsal surface coarsely rugose. Psammophore well-developed.
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</paragraph>
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<paragraph id="1F0B3690FFADFFFC6584129AD3E62163" pageId="68" pageNumber="69">
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All mesosomal surfaces with subparallel, regular, wavy, or irregular rugae; interrugae weakly to moderately granulate-punctate, weakly shining; propodeum unarmed or with small denticles; inferior propodeal spines absent. Peduncle of petiole about as long as petiolar node, anteroventral margin straight or with a weak process. In profile, petiolar node asymmetrical with anterior surface notably shorter than posterior surface, apex rounded to weakly angulate. Posterior surface of petiolar node with irregular transverse rugae; dorsum of postpetiole with very weak, usually incomplete transverse or oblique rugae, and/or mostly granulate-punctate; interrugae on posterior surface of petiolar node and dorsum of postpetiole weakly to moderately granulate-punctate, weakly shining. First gastral tergum weakly to moderately coriarious, weakly shining. Most body surfaces with moderately abundant suberect to erect, medium-length, white to yellowish setae; moderately abundant suberect to erect hairs on first gastral tergum, those on second and third terga restricted to posterior margin. Head, mesosoma, petiolar node, and postpetiole tannish-brown; gaster blackish-brown (
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<figureCitation id="878F2A15FFADFFFC67131022D3F52163" box="[592,705,1879,1904]" captionStart="FIGURE 33" captionStartId="71.[151,249,1978,2000]" captionTargetBox="[405,1178,193,1955]" captionTargetId="figure@71.[405,1181,193,1956]" captionTargetPageId="71" captionText="FIGURE 33. Photograph of Pogonomyrmex inermis Forel alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0235305). Photographs by Will Ericson from www. AntWeb. org." pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC67131022D3F52163" bold="true" box="[592,705,1879,1904]" pageId="68" pageNumber="69">Figure 33</emphasis>
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</figureCitation>
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).
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</paragraph>
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<paragraph id="1F0B3690FFADFFFD65841009D2E826C7" lastPageId="69" lastPageNumber="70" pageId="68" pageNumber="69">
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<emphasis id="2DC0EA82FFADFFFC65841009D0A42187" bold="true" box="[199,400,1915,1940]" pageId="68" pageNumber="69">Male. Diagnosis.</emphasis>
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This caste is diagnosed by: (1) first gastral tergum lacking striae, (2) in full-face view, external margin of apical tooth curved inward, (3) dorsum of postpetiole strongly granulate, dull, to occasionally weakly rugoreticulate-vermiculate, interrugae dull, (4) rugae on cephalic dorsum prominent, subparallel, (5) pronotal sides and mesopleura with longitudinal rugae, (6) interrugae on cephalic dorsum, pronotal sides, and mesopleura weakly shining to shining, and (7) notauli present (
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<figureCitation id="878F2A15FFACFFFD661917C9D2F826C7" box="[858,972,188,212]" captionStart="FIGURE 34" captionStartId="72.[151,249,1978,2000]" captionTargetBox="[431,1149,193,1956]" captionTargetId="figure@72.[431,1156,193,1956]" captionTargetPageId="72" captionText="FIGURE 34. Photograph of Pogonomyrmex inermis Forel male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT 0235306). Photographs by Estella Ortega from www. AntWeb. org." pageId="69" pageNumber="70">
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<emphasis id="2DC0EA82FFACFFFD661917C9D2F826C7" bold="true" box="[858,972,188,212]" pageId="69" pageNumber="70">Figure 34</emphasis>
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</figureCitation>
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).
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</paragraph>
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<paragraph id="1F0B3690FFACFFFD65841795D3222753" pageId="69" pageNumber="70">
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<emphasis id="2DC0EA82FFACFFFD65841795D04226EB" bold="true" box="[199,374,224,248]" pageId="69" pageNumber="70">Measurements</emphasis>
|
||
—(n = 12). HL 1.42–1.73; HW 1.43–1.70; MOD 0.46–0.59; OMD 0.20–0.31; SL 0.36–0.49; HFL 1.63–1.90; ML 2.30–2.78; PW 0.46–0.63; PPW 0.62–0.83. Indices: SI 24.16–31.33; CI 92.55–102.11; OI 30.87–38.00; HFI 109.40–127.70.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="57AE651BFFACFFFD65841639D2BA25FF" pageId="69" pageNumber="70" type="materials_examined">
|
||
<paragraph id="1F0B3690FFACFFFD65841639D2BA25FF" pageId="69" pageNumber="70">
|
||
<emphasis id="2DC0EA82FFACFFFD65841639D2AF2777" bold="true" box="[199,923,332,356]" pageId="69" pageNumber="70">
|
||
Additional material examined. ARGENTINA:
|
||
<emphasis id="2DC0EA82FFACFFFD67BD1638D2AF2777" bold="true" box="[766,923,332,356]" italics="true" pageId="69" pageNumber="70">Buenos Aires</emphasis>
|
||
</emphasis>
|
||
: Monte Hermoso, no date (MLPA); Rt 22 at 36.3 km W Medanos, Jan 20, 2011 (RAJC); no loc, no date (MACN).
|
||
<emphasis id="2DC0EA82FFACFFFD66EC161AD527279B" bold="true" box="[943,1043,367,392]" italics="true" pageId="69" pageNumber="70">Córdoba</emphasis>
|
||
: Estancia Santo Domingo, Feb 24, 2009 (RGPC); Nono, 2940’, Jan 17, 2008 (RAJC); 2.6 km N Nono, Dec 18, 2006 (CSC); no loc, no date (MCZ).
|
||
<emphasis id="2DC0EA82FFACFFFD65D416CDD03A27C3" bold="true" box="[151,270,440,464]" italics="true" pageId="69" pageNumber="70">La Pampa</emphasis>
|
||
: Santa Isabel, Jan 30, 2010 (RGPC); Rt 143 at 4.5 km NW Santa Isabel, Feb 13, 2014 (RAJC); 8 km S Jct Hwys 151 & 143, 1100’, Dec 9, 2003 (RAJC); Río Colorado, no date (MACN); 51 km E Río Colorado, Nov 20, 2005 (CSC); Rt 22 at 90.5 km W Medanos, 320’, Jan 21, 2011 (RAJC); Rt 251 at 35.8 km S Jct Rt 22, 320’, Jan 21, 2011 (RAJC).
|
||
<emphasis id="2DC0EA82FFACFFFD64781551D091242F" bold="true" box="[315,421,548,572]" italics="true" pageId="69" pageNumber="70">Mendoza</emphasis>
|
||
: Ugarteche, Dec 27, 2008 (RGPC); 59 km SE San Martín, Nov 22, 2005 (CSC); 24 km S Monte Coman, 1640’, Dec 9, 2003 (RAJC); Reserva Nancuñan, Oct 30, 2008 (RGPC); Hwy 7 at 20 km E La Paz, 1640’, Dec 12, 2003 (CASC; MCZ; RAJC); Rt 7 at 5.8 km W Desaguadero, 1530’, Dec 28, 3005 (RAJC); Rt 7 at 21.7 km E La Dormida, 1740’, Dec 28, 2005 (RAJC); Rt 7 at 17.8 km E La Dormida, 1670’, Jan 23, 2008 (RAJC); Rt 7 at 29.8 km E La Dormida, 1610’, Jan 23, 2008 (RAJC); Rt 7 at Arroyo de las Minas, 4130’, Dec 29, 2005 (RAJC); Rt 86 at 20 km NE Tupangato, 4510’, Jan 21, 2008 (RAJC); 61.4 km S Jct Rts 7 & 153, 1910’, Jan 23, 2008 (RAJC); Portrerillos, Dec 12, 1950 (FML); Cerro de la Gloria, Dec 3, 1950 (LACM; USNM); no loc, no date (FML; MZUSP).
|
||
<emphasis id="2DC0EA82FFACFFFD6420146AD0E9252B" bold="true" box="[355,477,799,824]" italics="true" pageId="69" pageNumber="70">Río Negro</emphasis>
|
||
: 35.6 km NW Jct Rts 251 & 2, 360’, Jan 22, 2011 (RAJC); Rt 251 at 16.6 km N General Conesa, 390’, Jan 21, 2011 (RAJC); General Conesa, no date (FML).
|
||
<emphasis id="2DC0EA82FFACFFFD61691436D5A0254F" bold="true" box="[1066,1172,835,860]" italics="true" pageId="69" pageNumber="70">San Luis</emphasis>
|
||
: Potrero de los Funes, 3030’, Dec 25, 2005 (RAJC); La Florida, 3310’, Dec 25, 2005 (RAJC); Rt 7 at Alto Pencoso, 2330’, Dec 27, 2005 (RAJC); Rt 15 at 16.9 km N Balde, 1670’, Mar 15, 2015 (RAJC); no loc, no date (MACN; MLPA).
|
||
<emphasis id="2DC0EA82FFACFFFD604714FED25325DB" bold="true" pageId="69" pageNumber="70">
|
||
<emphasis id="2DC0EA82FFACFFFD604714FED1D225DB" bold="true" italics="true" pageId="69" pageNumber="70">Questionable locales</emphasis>
|
||
(appear to be outside geographic range):
|
||
<emphasis id="2DC0EA82FFACFFFD67AB14DAD25325DB" bold="true" box="[744,871,943,968]" italics="true" pageId="69" pageNumber="70">Catamarca</emphasis>
|
||
</emphasis>
|
||
: no loc, no date (MACN; MLPA); El Pucare, no date (LACM).
|
||
<emphasis id="2DC0EA82FFACFFFD647D14A1D08D25FF" bold="true" box="[318,441,979,1004]" italics="true" pageId="69" pageNumber="70">Entre Ríos</emphasis>
|
||
: El Palmer, no date (FML) (
|
||
<emphasis id="2DC0EA82FFACFFFD67B914A6D24A25FF" bold="true" box="[762,894,979,1004]" pageId="69" pageNumber="70">
|
||
<figureCitation id="878F2A15FFACFFFD67B914A6D25F25FF" box="[762,875,979,1004]" captionStart="FIGURE 31" captionStartId="66.[151,249,1978,2000]" captionTargetBox="[408,1175,193,1956]" captionTargetId="figure@66.[408,1179,193,1956]" captionTargetPageId="66" captionText="FIGURE 31. Geographic distribution of: (A) Pogonomyrmex bispinosus (Spinola), (B) Pogonomyrmex inermis Forel, and (C) Pogonomyrmex uruguayensis Mayr. The larger black circle in each panel (when present) denotes the type locality." pageId="69" pageNumber="70">Figure 31</figureCitation>
|
||
B
|
||
</emphasis>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="57AE651BFFACFFFD6584148DD08A2227" pageId="69" pageNumber="70" type="etymology">
|
||
<paragraph id="1F0B3690FFACFFFD6584148DD08A2227" pageId="69" pageNumber="70">
|
||
<emphasis id="2DC0EA82FFACFFFD6584148DD07A2203" bold="true" box="[199,334,1016,1040]" pageId="69" pageNumber="70">Etymology.</emphasis>
|
||
The specific epithet,
|
||
<taxonomicName id="D8B44D13FFACFFFD6717148DD39D2203" box="[596,681,1016,1040]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD6717148DD39D2203" box="[596,681,1016,1040]" italics="true" pageId="69" pageNumber="70">inermis</emphasis>
|
||
</taxonomicName>
|
||
(from Latin,
|
||
<taxonomicName id="D8B44D13FFACFFFD660C148DD2972203" box="[847,931,1016,1040]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD660C148DD2972203" box="[847,931,1016,1040]" italics="true" pageId="69" pageNumber="70">inermis</emphasis>
|
||
</taxonomicName>
|
||
= unarmed), refers to this species lacking superior propodeal spines.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="57AE651BFFACFFFD6584134AD29022FB" pageId="69" pageNumber="70" type="discussion">
|
||
<paragraph id="1F0B3690FFACFFFD6584134AD29022FB" pageId="69" pageNumber="70">
|
||
<emphasis id="2DC0EA82FFACFFFD6584134AD078224B" bold="true" box="[199,332,1087,1112]" pageId="69" pageNumber="70">Discussion.</emphasis>
|
||
<taxonomicName id="D8B44D13FFACFFFD641E1335D346224B" box="[349,626,1088,1112]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD641E1335D346224B" box="[349,626,1088,1112]" italics="true" pageId="69" pageNumber="70">Pogonomyrmex inermis</emphasis>
|
||
</taxonomicName>
|
||
co-occurs with
|
||
<taxonomicName id="D8B44D13FFACFFFD66061335D535224B" box="[837,1025,1088,1112]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="uruguayensis">
|
||
<emphasis id="2DC0EA82FFACFFFD66061335D535224B" box="[837,1025,1088,1112]" italics="true" pageId="69" pageNumber="70">P. uruguayensis</emphasis>
|
||
</taxonomicName>
|
||
, and it is distinguished from
|
||
<taxonomicName id="D8B44D13FFACFFFD60C41335D018226F" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="uruguayensis">
|
||
<emphasis id="2DC0EA82FFACFFFD60C41335D018226F" italics="true" pageId="69" pageNumber="70">P. uruguayensis</emphasis>
|
||
</taxonomicName>
|
||
by absence of superior propodeal spines (reduced to denticles or small tubercles), which are present in
|
||
<taxonomicName id="D8B44D13FFACFFFD65F713FDD05122B3" box="[180,357,1160,1184]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="uruguayensis">
|
||
<emphasis id="2DC0EA82FFACFFFD65F713FDD05122B3" box="[180,357,1160,1184]" italics="true" pageId="69" pageNumber="70">P. uruguayensis</emphasis>
|
||
</taxonomicName>
|
||
. Additionally, workers of
|
||
<taxonomicName id="D8B44D13FFACFFFD67CC13FDD3CB22B3" box="[655,767,1160,1184]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD67CC13FDD3CB22B3" box="[655,767,1160,1184]" italics="true" pageId="69" pageNumber="70">P. inermis</emphasis>
|
||
</taxonomicName>
|
||
are typically larger (HW = 1.59–1.86 mm) than those of
|
||
<taxonomicName id="D8B44D13FFACFFFD60C413FDD01822D7" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="uruguayensis">
|
||
<emphasis id="2DC0EA82FFACFFFD60C413FDD01822D7" italics="true" pageId="69" pageNumber="70">P. uruguayensis</emphasis>
|
||
</taxonomicName>
|
||
(HW = 1.24–1.61 mm). Absence of superior propodeal spines and absence of striae on the first gastral tergum distinguish
|
||
<taxonomicName id="D8B44D13FFACFFFD648313A5D30422FB" box="[448,560,1232,1256]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD648313A5D30422FB" box="[448,560,1232,1256]" italics="true" pageId="69" pageNumber="70">P. inermis</emphasis>
|
||
</taxonomicName>
|
||
from all congeners in Argentina.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="57AE651BFFACFFFD65841381D2E4213F" pageId="69" pageNumber="70" type="biology_ecology">
|
||
<paragraph id="1F0B3690FFACFFFD65841381D0952067" pageId="69" pageNumber="70">
|
||
<emphasis id="2DC0EA82FFACFFFD65841381D012231F" bold="true" box="[199,294,1268,1292]" pageId="69" pageNumber="70">Biology.</emphasis>
|
||
<taxonomicName id="D8B44D13FFACFFFD646E1381D30C231F" box="[301,568,1268,1292]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD646E1381D30C231F" box="[301,568,1268,1292]" italics="true" pageId="69" pageNumber="70">Pogonomyrmex inermis</emphasis>
|
||
</taxonomicName>
|
||
is one of the more well-studied species of
|
||
<taxonomicName id="D8B44D13FFACFFFD615A1381D5FD231F" box="[1049,1225,1268,1292]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="2DC0EA82FFACFFFD615A1381D5FD231F" box="[1049,1225,1268,1292]" italics="true" pageId="69" pageNumber="70">Pogonomyrmex</emphasis>
|
||
</taxonomicName>
|
||
in Argentina. This species harvests the seeds of various grass and nongrass species (Pirk & Lopez de Casenave, 2010, 2011; Pirk, Lopez de Casenave, & Marone, 2007; Pirk, Lopez de Casenave, Pol, Marone, & Milesi, 2009; Pol, Lopez de Casenave, & Pirk, 2011). Workers are solitary foragers, but additional observations show that foragers leave the nest to travel in few directions; they do not form a conspicuous trail, and they do not recruit nestmates to highdensity seed patches (Pol
|
||
<emphasis id="2DC0EA82FFACFFFD64F412DDD0DB23D3" box="[439,495,1447,1472]" italics="true" pageId="69" pageNumber="70">et al.</emphasis>
|
||
, 2015). Five colonies averaged 47–70 foragers, which consisted of about 15% of all workers in nests (Nobua-Behrmann, Lopez de Casenave, Milesi, & Pavan, 2013). Nests are typically distinguished by the large midden of seed chaff (15–20 cm in diameter) that surrounds or is adjacent to the nest entrance. Nests sometimes have 2–3 entrances with a tumulus that ranges up to 15 cm in diameter. Colonies of
|
||
<taxonomicName id="D8B44D13FFACFFFD61BF1161D45B203F" box="[1276,1391,1556,1580]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD61BF1161D45B203F" box="[1276,1391,1556,1580]" italics="true" pageId="69" pageNumber="70">P. inermis</emphasis>
|
||
</taxonomicName>
|
||
are relatively small: two excavated colonies contained an average of 299 workers and 54 larvae and pupae (Nobua Behrmann
|
||
<emphasis id="2DC0EA82FFACFFFD64511129D07F2067" box="[274,331,1628,1652]" italics="true" pageId="69" pageNumber="70">et al.</emphasis>
|
||
, 2010).
|
||
</paragraph>
|
||
<paragraph id="1F0B3690FFACFFFD6584110AD2E4213F" pageId="69" pageNumber="70">
|
||
Collection dates for sexuals range from 18 December to 23 January. Mating flights have not been observed, but they occur during the austral summer (December–January) based on finding two dealate queens on the ground on 21–22 January, and excavating queens from incipient nests on 25 December; all excavated queens (
|
||
<emphasis id="2DC0EA82FFACFFFD605711BDD41620F3" box="[1300,1314,1736,1760]" italics="true" pageId="69" pageNumber="70">n</emphasis>
|
||
= 7) were haplometrotic (R.A. Johnson, unpub. data). Queens of
|
||
<taxonomicName id="D8B44D13FFACFFFD66471184D241211B" box="[772,885,1777,1800]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD66471184D241211B" box="[772,885,1777,1800]" italics="true" pageId="69" pageNumber="70">P. inermis</emphasis>
|
||
</taxonomicName>
|
||
are polyandrous with a mean (± SE) effective mating frequency of 6.52 ± 2.77 (range = 2–12;
|
||
<emphasis id="2DC0EA82FFACFFFD67F01060D3F5213F" box="[691,705,1813,1836]" italics="true" pageId="69" pageNumber="70">n</emphasis>
|
||
= 20) (Pol
|
||
<emphasis id="2DC0EA82FFACFFFD66021060D24E213F" box="[833,890,1812,1836]" italics="true" pageId="69" pageNumber="70">et al.</emphasis>
|
||
, 2008).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="57AE651BFFACFFFD6584104CD306218B" pageId="69" pageNumber="70" type="distribution">
|
||
<paragraph id="1F0B3690FFACFFFD6584104CD306218B" pageId="69" pageNumber="70">
|
||
<taxonomicName id="D8B44D13FFACFFFD6584104CD0E02143" box="[199,468,1849,1872]" class="Insecta" family="Formicidae" genus="Pogonomyrmex" higherTaxonomySource="CoL" kingdom="Animalia" order="Hymenoptera" pageId="69" pageNumber="70" phylum="Arthropoda" rank="species" species="inermis">
|
||
<emphasis id="2DC0EA82FFACFFFD6584104CD0E02143" box="[199,468,1849,1872]" italics="true" pageId="69" pageNumber="70">Pogonomyrmex inermis</emphasis>
|
||
</taxonomicName>
|
||
inhabits sites at elevations from 95–1370 m. This species is common in the Lower Monte Desert, southern Humid Chaco, southern Espinal, and southwestern Humid Pampas ecoregions as defined by Olson
|
||
<emphasis id="2DC0EA82FFACFFFD644710F4D000218B" box="[260,308,1920,1944]" italics="true" pageId="69" pageNumber="70">et al</emphasis>
|
||
. (2001) (
|
||
<emphasis id="2DC0EA82FFACFFFD64DE10F5D316218B" bold="true" box="[413,546,1920,1944]" pageId="69" pageNumber="70">
|
||
<figureCitation id="878F2A15FFACFFFD64DE10F5D33B218B" box="[413,527,1920,1944]" captionStart="FIGURE 31" captionStartId="66.[151,249,1978,2000]" captionTargetBox="[408,1175,193,1956]" captionTargetId="figure@66.[408,1179,193,1956]" captionTargetPageId="66" captionText="FIGURE 31. Geographic distribution of: (A) Pogonomyrmex bispinosus (Spinola), (B) Pogonomyrmex inermis Forel, and (C) Pogonomyrmex uruguayensis Mayr. The larger black circle in each panel (when present) denotes the type locality." pageId="69" pageNumber="70">Figure 31</figureCitation>
|
||
B
|
||
</emphasis>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |