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<document id="538A8A236ECE423EBA21338B24BD0DE3" ID-DOI="10.11646/zootaxa.2845.1.1" ID-ISSN="1175­5334" ID-Zenodo-Dep="5287811" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629719132675" checkinUser="felipe" docAuthor="Heterick, Brian E. &amp; Shattuck, Steve" docDate="2011" docId="F72587FD7055FFB4FF73ED818EC2FEFA" docLanguage="en" docName="zt02845p174.pdf" docOrigin="Zootaxa 2845 (1)" docSource="https://www.biotaxa.org/Zootaxa/article/view/zootaxa.2845.1.1" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Iridomyrmex angusticeps Forel" docType="treatment" docVersion="5" lastPageNumber="44" masterDocId="0B1CFF85707EFF98FFE4EE558A0BFFC5" masterDocTitle="Revision of the ant genus Iridomyrmex (Hymenoptera: Formicidae) 2845" masterLastPageNumber="174" masterPageNumber="1" pageNumber="44" updateTime="1699101301303" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="0E8F15F6C606AA14840683434EA62EF2">Revision of the ant genus Iridomyrmex (Hymenoptera: Formicidae) 2845</mods:title>
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<mods:namePart id="1E817815B96FC46ED491F7C77265DB92">Heterick, Brian E.</mods:namePart>
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<treatment id="F72587FD7055FFB4FF73ED818EC2FEFA" ID-DOI="http://doi.org/10.5281/zenodo.5293954" ID-Zenodo-Dep="5293954" LSID="urn:lsid:plazi:treatment:F72587FD7055FFB4FF73ED818EC2FEFA" httpUri="http://treatment.plazi.org/id/F72587FD7055FFB4FF73ED818EC2FEFA" lastPageId="44" lastPageNumber="44" pageId="43" pageNumber="44">
<subSubSection id="379665607055FFB3FF73ED818818FC28" box="[151,531,979,1006]" pageId="43" pageNumber="44" type="nomenclature">
<paragraph id="7F3336EB7055FFB3FF73ED818818FC28" blockId="43.[151,531,979,1036]" box="[151,531,979,1006]" pageId="43" pageNumber="44">
<heading id="247B81877055FFB3FF73ED818818FC28" bold="true" box="[151,531,979,1006]" fontSize="11" level="1" pageId="43" pageNumber="44" reason="1">
<taxonomicName id="B88C4D687055FFB3FF73ED818818FC28" ID-CoL="3PZ6P" authority="Forel" authorityName="Forel" box="[151,531,979,1006]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="43" pageNumber="44" phylum="Arthropoda" rank="species" species="angusticeps">
<emphasis id="4DF8EAF97055FFB3FF73ED818818FC28" bold="true" box="[151,531,979,1006]" pageId="43" pageNumber="44">
<emphasis id="4DF8EAF97055FFB3FF73ED818BC1FC2B" bold="true" box="[151,458,980,1006]" italics="true" pageId="43" pageNumber="44">Iridomyrmex angusticeps</emphasis>
Forel
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="379665607055FFB3FF73EDA38AFBFBC9" box="[151,240,1014,1036]" pageId="43" pageNumber="44" type="description">
<paragraph id="7F3336EB7055FFB3FF73EDA38AFBFBC9" blockId="43.[151,531,979,1036]" box="[151,240,1014,1036]" pageId="43" pageNumber="44">
(
<figureCitation id="E7B72A6E7055FFB3FF7AEDA38AE3FBC9" box="[158,232,1014,1036]" captionStart="FIGURE 12" captionStartId="44.[151,250,1395,1418]" captionTargetBox="[151,1436,411,1369]" captionTargetId="figure-297@44.[151,1436,411,1369]" captionTargetPageId="44" captionText="FIGURE 12. Iridomyrmex angusticeps (Bushy Island, Great Barrier Reef, Qld, ANIC32-042168): A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined." figureDoi="http://doi.org/10.5281/zenodo.5287835" httpUri="https://zenodo.org/record/5287835/files/figure.png" pageId="43" pageNumber="44">Fig. 12</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="379665607055FFB3FF73EA618862FB77" pageId="43" pageNumber="44" type="reference_group">
<paragraph id="7F3336EB7055FFB3FF73EA61884BFB8C" blockId="43.[151,576,1075,1098]" box="[151,576,1075,1098]" pageId="43" pageNumber="44">
<treatmentCitationGroup id="5F9C11C57055FFB3FF73EA61884BFB8C" box="[151,576,1075,1098]" pageId="43" pageNumber="44">
<treatmentCitation id="FE2D10FA7055FFB3FF73EA618837FB8C" author="Forel, A." box="[151,572,1075,1098]" page="19" pageId="43" pageNumber="44" year="1901">
<taxonomicName id="B88C4D687055FFB3FF73EA618837FB8C" ID-CoL="3PZ6P" authority="Forel, 1901: 19" authorityName="Forel" authorityPageNumber="19" authorityYear="1901" box="[151,572,1075,1098]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="43" pageNumber="44" phylum="Arthropoda" rank="species" species="angusticeps">
<emphasis id="4DF8EAF97055FFB3FF73EA618B9CFB8C" box="[151,407,1076,1098]" italics="true" pageId="43" pageNumber="44">Iridomyrmex angusticeps</emphasis>
<bibRefCitation id="1B1D4B1A7055FFB3FE7AEA668837FB8C" author="Forel, A." box="[414,572,1075,1097]" pageId="43" pageNumber="44" pagination="1 - 38" refId="ref111235" refString="Forel, A. (1901) Formiciden aus dem Bismark-Archipel, auf Grundlage des von Prof. Dr. F. Dahl gesammelten Materials bearbeitet. Mitteilungen aus dem Zoologischen Museum in Berlin, 2, 1 - 38." type="journal article" year="1901">Forel, 1901: 19</bibRefCitation>
</taxonomicName>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="7F3336EB7055FFB3FF73EA228862FB77" blockId="43.[151,1436,1142,2030]" pageId="43" pageNumber="44">
<emphasis id="4DF8EAF97055FFB3FF73EA228AE8FB4A" bold="true" box="[151,227,1143,1167]" inLineHeading="true" pageId="43" pageNumber="44" reason="1">Types.</emphasis>
<materialsCitation id="CFE43CB67055FFB3FF09EA23886EFB77" collectionCode="NHMB" country="Papua New Guinea" location="Rabaul" pageId="43" pageNumber="44" specimenCount="1" typeStatus="syntype">
<typeStatus id="A03788497055FFB3FF09EA238B42FB4B" box="[237,329,1142,1166]" pageId="43" pageNumber="44" type="syntype">Syntype</typeStatus>
workers from
<location id="7A5360307055FFB3FE13EA23884DFB4B" LSID="urn:lsid:plazi:treatment:F72587FD7055FFB4FF73ED818EC2FEFA:7A5360307055FFB3FE13EA23884DFB4B" box="[503,582,1142,1166]" country="Papua New Guinea" name="Rabaul" pageId="43" pageNumber="44">Rabaul</location>
(as Ralum),
<collectingCountry id="079B767B7055FFB3FD3BEA2289B6FB4B" box="[735,957,1142,1166]" name="Papua New Guinea" pageId="43" pageNumber="44">Papua New Guinea</collectingCountry>
(
<collectionCode id="199DAE2E7055FFB3FC2BEA238E2CFB4B" box="[975,1063,1142,1166]" country="0" httpUri="http://grbio.org/cool/1d5a-4efs" name="Natural History Museum Bucharest" pageId="43" pageNumber="44">NHMB</collectionCode>
, one headless worker, examined (images provided by www.anttypes.org))
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="379665607055FFB3FF23EAEA8F7DF89B" pageId="43" pageNumber="44" type="description">
<paragraph id="7F3336EB7055FFB3FF23EAEA8F75F8D3" blockId="43.[151,1436,1142,2030]" pageId="43" pageNumber="44">
<emphasis id="4DF8EAF97055FFB3FF23EAEA8801FB12" bold="true" box="[199,522,1214,1239]" pageId="43" pageNumber="44">
Worker Description.
<emphasis id="4DF8EAF97055FFB3FE21EAEB8801FB12" bold="true" box="[453,522,1214,1239]" italics="true" pageId="43" pageNumber="44">Head.</emphasis>
</emphasis>
Posterior margin of head weakly convex; erect setae on posterior margin in fullface view set in a row, or present in small aggregations on one or both sides of posterior margin of head; sides of head straight or weakly convex; erect genal setae present on sides of head in full-face view. Ocelli absent; in fullface view, eyes set at about midpoint of head capsule; in profile, eye set anteriad of head capsule; eye elongate, or asymmetrical, curvature of inner eye margin more pronounced than that of its outer margin. Frontal carinae straight; antennal scape surpassing posterior margin of head by 0.2-0.5 x its length. Erect setae on scape absent, except at tip; prominence on anteromedial clypeal margin projecting as triangular spur; mandible elongate triangular with oblique basal margin; long, curved setae on venter of head capsule absent.
<emphasis id="4DF8EAF97055FFB3FBAEEBEE8EC7FA17" bold="true" box="[1098,1228,1467,1490]" italics="true" pageId="43" pageNumber="44">Mesosoma.</emphasis>
Pronotum weakly undulant or almost straight. Erect pronotal setae numerous (12 or more), short and bristly. Mesonotum straight. Erect mesonotal setae moderate in number (6-12), short and bristly, or sparse to absent. Mesothoracic spiracles always inconspicuous; propodeal dorsum straight and long (half as long again as length of propodeal declivity); placement of propodeal spiracle mesad, more than its diameter away from propodeal declivity; propodeal angle weakly present or absent, the confluence of the dorsal and declivitous propodeal faces indicated, if at all, by an undulation. Erect propodeal setae moderate in number (6-12), short and bristly.
<emphasis id="4DF8EAF97055FFB3FBC7E8C78E72F96E" bold="true" box="[1059,1145,1682,1707]" italics="true" pageId="43" pageNumber="44">Petiole.</emphasis>
Dorsum of node convex; node thin, scale-like, orientation more-or-less vertical.
<emphasis id="4DF8EAF97055FFB3FCE3E8E38953F90A" bold="true" box="[775,856,1718,1743]" italics="true" pageId="43" pageNumber="44">Gaster.</emphasis>
Non-marginal erect setae of gaster present on first gastral tergite; marginal erect setae of gaster present on first tergite.
<emphasis id="4DF8EAF97055FFB3FC48E88F8E98F936" bold="true" box="[940,1171,1754,1779]" italics="true" pageId="43" pageNumber="44">General characters.</emphasis>
Allometric differences between workers of same nest absent. Colour brown to grey-brown. Colour of erect setae pale brownish-yellow.
</paragraph>
<paragraph id="7F3336EB7055FFB3FF23E9768F7DF89B" blockId="43.[151,1436,1142,2030]" pageId="43" pageNumber="44">
<emphasis id="4DF8EAF97055FFB3FF23E9768B76F8FE" bold="true" box="[199,381,1827,1851]" inLineHeading="true" pageId="43" pageNumber="44" reason="1">Measurements.</emphasis>
<emphasis id="4DF8EAF97055FFB3FE60E9768BDDF8FE" box="[388,470,1827,1851]" italics="true" pageId="43" pageNumber="44">Worker</emphasis>
(n = 4)
<emphasis id="4DF8EAF97055FFB3FDCFE976884FF8FF" box="[555,580,1827,1850]" italics="true" pageId="43" pageNumber="44"></emphasis>
CI 66-69; EI 39-41; EL 0.26-0.31; EW 0.20-0.23; HFL 1.50-1.88; HL 0.98- 1.16; HW 0.66-0.78; ML 1.36-1.67; MTL 1.10-1.31; PpH 0.14-0.19; PpL 0.51-0.66; SI 161-171; SL 1.08-1.26.
</paragraph>
</subSubSection>
<subSubSection id="379665607055FFB4FF23E93F8EC2FEFA" lastPageId="44" lastPageNumber="45" pageId="43" pageNumber="44" type="discussion">
<paragraph id="7F3336EB7055FFB4FF23E93F8EC2FEFA" blockId="43.[151,1436,1142,2030]" lastBlockId="44.[151,1436,151,319]" lastPageId="44" lastPageNumber="45" pageId="43" pageNumber="44">
<emphasis id="4DF8EAF97055FFB3FF23E93F8B44F846" bold="true" box="[199,335,1898,1923]" inLineHeading="true" pageId="43" pageNumber="44" reason="1">Comments.</emphasis>
This species is one of the few
<taxonomicName id="B88C4D687055FFB3FD54E93E894AF846" box="[688,833,1899,1923]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="43" pageNumber="44" phylum="Arthropoda" rank="genus">
<emphasis id="4DF8EAF97055FFB3FD54E93E894AF846" box="[688,833,1899,1923]" italics="true" pageId="43" pageNumber="44">Iridomyrmex</emphasis>
</taxonomicName>
that can be found outside of Australasia: at least two pins in ANIC were collected on the Island of Mindanao, in the
<collectingCountry id="079B767B7055FFB3FC8AE9DB89FBF863" box="[878,1008,1934,1958]" name="Philippines" pageId="43" pageNumber="44">Philippines</collectingCountry>
. Other collections have been made in
<collectingCountry id="079B767B7055FFB3FF73E9E68B7AF80F" box="[151,369,1970,1994]" name="Papua New Guinea" pageId="43" pageNumber="44">Papua New Guinea</collectingCountry>
and also in northern regions of Queensland, Northern Territory and Western Australia. Of the more common
<taxonomicName id="B88C4D687055FFB3FEA6E9838BD8F82B" box="[322,467,2006,2030]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="43" pageNumber="44" phylum="Arthropoda" rank="genus">
<emphasis id="4DF8EAF97055FFB3FEA6E9838BD8F82B" box="[322,467,2006,2030]" italics="true" pageId="43" pageNumber="44">Iridomyrmex</emphasis>
</taxonomicName>
, this species most resembles
<taxonomicName id="B88C4D687055FFB3FCC6E9828991F82B" box="[802,922,2006,2030]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="43" pageNumber="44" phylum="Arthropoda" rank="species" species="bicknelli">
<emphasis id="4DF8EAF97055FFB3FCC6E9828920F82B" box="[802,811,2007,2030]" italics="true" pageId="43" pageNumber="44">I</emphasis>
.
<emphasis id="4DF8EAF97055FFB3FCDEE9838991F82B" box="[826,922,2006,2030]" italics="true" pageId="43" pageNumber="44">bicknelli</emphasis>
</taxonomicName>
, but the head is much narrower in relation to its length (CI 66-69 versus
<quantity id="B8749B0E7052FFB4FE2DEEC28823FF6A" box="[457,552,151,175]" metricMagnitude="0" metricUnit="m" metricValue="1.9304" metricValueMax="1.9812" metricValueMin="1.8796" pageId="44" pageNumber="45" unit="in" value="76.0" valueMax="78.0" valueMin="74.0">74-78 in</quantity>
<taxonomicName id="B88C4D687052FFB4FDCAEECC88ADFF75" box="[558,678,152,176]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="44" pageNumber="45" phylum="Arthropoda" rank="species" species="bicknelli">
<emphasis id="4DF8EAF97052FFB4FDCAEECC883CFF75" box="[558,567,153,176]" italics="true" pageId="44" pageNumber="45">I</emphasis>
.
<emphasis id="4DF8EAF97052FFB4FDA2EECD88ADFF75" box="[582,678,152,176]" italics="true" pageId="44" pageNumber="45">bicknelli</emphasis>
</taxonomicName>
). The nearest close relative appears to be
<taxonomicName id="B88C4D687052FFB4FB9AEECC8EF4FF6A" authorityName="Heterick &amp; Shattuck" authorityYear="2011" box="[1150,1279,152,176]" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="44" pageNumber="45" phylum="Arthropoda" rank="species" species="tenuiceps">
<emphasis id="4DF8EAF97052FFB4FB9AEECC8E8CFF75" box="[1150,1159,153,176]" italics="true" pageId="44" pageNumber="45">I</emphasis>
.
<emphasis id="4DF8EAF97052FFB4FB71EECD8EF4FF6A" box="[1173,1279,152,175]" italics="true" pageId="44" pageNumber="45">tenuiceps</emphasis>
</taxonomicName>
, but
<taxonomicName id="B88C4D687052FFB4FADCEECC8AD3FF11" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="44" pageNumber="45" phylum="Arthropoda" rank="species" species="angusticeps">
<emphasis id="4DF8EAF97052FFB4FADCEECC8AD3FF11" italics="true" pageId="44" pageNumber="45">I. angusticeps</emphasis>
</taxonomicName>
has minute, bristly, white, erect setae on the mesosomal dorsum, and these are lacking in the glabrous
<taxonomicName id="B88C4D687052FFB4FA68EEE88B0AFF32" authorityName="Heterick &amp; Shattuck" authorityYear="2011" class="Insecta" family="Formicidae" genus="Iridomyrmex" kingdom="Animalia" order="Hymenoptera" pageId="44" pageNumber="45" phylum="Arthropoda" rank="species" species="tenuiceps">
<emphasis id="4DF8EAF97052FFB4FA68EEE88F9EFF11" box="[1420,1429,189,212]" italics="true" pageId="44" pageNumber="45">I</emphasis>
.
<emphasis id="4DF8EAF97052FFB4FF73EEB58B0AFF32" box="[151,257,224,247]" italics="true" pageId="44" pageNumber="45">tenuiceps</emphasis>
</taxonomicName>
. The
<collectingCountry id="079B767B7052FFB4FEA5EE8A8BB4FF32" box="[321,447,223,247]" name="Philippines" pageId="44" pageNumber="45">Philippines</collectingCountry>
workers were collected in pineapple fields while Australian material has been collected in rainforest and
<taxonomicName id="B88C4D687052FFB4FEBFEF518BA2FED9" box="[347,425,260,284]" class="Magnoliopsida" family="Fabaceae" genus="Acacia" kingdom="Plantae" order="Fabales" pageId="44" pageNumber="45" phylum="Tracheophyta" rank="genus">
<emphasis id="4DF8EAF97052FFB4FEBFEF518BA2FED9" box="[347,425,260,284]" italics="true" pageId="44" pageNumber="45">Acacia</emphasis>
</taxonomicName>
shrubland. As is typical of most species within the genus, nests are in soil. The
<typeStatus id="A03788497052FFB4FAA1EF518F97FED9" box="[1349,1436,260,284]" pageId="44" pageNumber="45" type="syntype">syntype</typeStatus>
worker examined lacks a head and is in generally poor condition, but its identity is not in doubt.
</paragraph>
</subSubSection>
</treatment>
</document>