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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.199.2631" ID-GBIF-Dataset="a65a90f9-192a-41a7-9f33-10f5f2f2bab2" ID-PMC="PMC3368281" ID-Pensoft-Pub="1313-2970-199-23" ID-PubMed="22711995" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-199-23" ModsDocOrigin="ZooKeys 199" ModsDocTitle="Taxonomy and species-groups of the subgenus Crematogaster ( Orthocrema) in the Malagasy region (Hymenoptera, Formicidae)" checkinTime="1451248974654" checkinUser="pensoft" docAuthor="Blaimer, Bonnie B." docDate="2012" docId="82C0EC04E8D73AED7172D40090461966" docLanguage="en" docName="ZooKeys 199: 23-70" docOrigin="ZooKeys 199" docSource="http://dx.doi.org/10.3897/zookeys.199.2631" docTitle="Crematogaster mpanjono Blaimer, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="51" masterDocId="FFE8E629DF34847E021D117DFFA0FFA1" masterDocTitle="Taxonomy and species-groups of the subgenus Crematogaster (Orthocrema) in the Malagasy region (Hymenoptera, Formicidae)" masterLastPageNumber="70" masterPageNumber="23" pageNumber="51" updateTime="1668153978640" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Taxonomy and species-groups of the subgenus Crematogaster (Orthocrema) in the Malagasy region (Hymenoptera, Formicidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Blaimer, Bonnie B.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2012</mods:date>
<mods:detail type="volume">
<mods:number>199</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>23</mods:start>
<mods:end>70</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.199.2631</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.199.2631</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-199-23</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152035986" LSID="urn:lsid:zoobank.org:act:7A4E5257-126C-460D-B9A4-7C52CB2D62F1" httpUri="http://treatment.plazi.org/id/82C0EC04E8D73AED7172D40090461966" lastPageNumber="51" pageId="28" pageNumber="51">
<subSubSection pageId="28" pageNumber="51" type="nomenclature">
<paragraph pageId="28" pageNumber="51">
<taxonomicName LSID="urn:lsid:zoobank.org:act:7A4E5257-126C-460D-B9A4-7C52CB2D62F1" class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">
<pageBreakToken pageId="28" pageNumber="51" start="start">Crematogaster</pageBreakToken>
mpanjono
</taxonomicName>
<taxonomicNameLabel pageId="28" pageNumber="51">sp. n.</taxonomicNameLabel>
Figure 33
</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="type locality">
<paragraph pageId="28" pageNumber="51">Type locality.</paragraph>
<paragraph pageId="28" pageNumber="51">MADAGASCAR: Antsiranana: R.S. Manongarivo: -13.96167, 48.43333, 400m, rainforest, beating low vegetation, 18.xi.1998, B.L.Fisher.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="type specimen">
<paragraph pageId="28" pageNumber="51">Type specimen.</paragraph>
<paragraph pageId="28" pageNumber="51">
holotype worker: pinned, CASENT0193889, BLF01998(12)-1; original locality label:
<normalizedToken originalValue="MADG’R">MADG'R</normalizedToken>
: Prov. Antsiranana: R.S. Manongarivo 10.8km 229°SW Antanambao 400m
<geoCoordinate direction="south" orientation="latitude" precision="92" value="-13.961667">13°57.7'S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="92" value="48.433334">48°26.0'E</geoCoordinate>
, 18.xi.1998, B.L.Fisher#1998(12)-1; deposited at CASC.
</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="other material examined">
<paragraph pageId="28" pageNumber="51">Other material examined</paragraph>
<paragraph pageId="28" pageNumber="51">(CASC)</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="">
<paragraph pageId="28" pageNumber="51">.</paragraph>
<paragraph pageId="28" pageNumber="51">
MADAGASCAR: Antsiranana: R.S. Manongarivo: -13.96167, 48.43333, 400m (B.L.Fisher); Nosy
<normalizedToken originalValue="Bé">Be</normalizedToken>
, R.N.I.
<normalizedToken originalValue="Lokobé">Lokobe</normalizedToken>
: -13.41944, 48.33117, 30m (B.L.Fisher et al.); Nosy
<normalizedToken originalValue="Bé">Be</normalizedToken>
, Antsirambazaha: -13.41345, 48.31130, 143m (Lees &amp; Ranaivosolo); Toamasina: F Ambohidena [Ile St.Marie]: -16.82433, 49.96417, 20m (B.L.Fisher et al.).
</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="worker measurements">
<paragraph pageId="28" pageNumber="51">Worker measurements</paragraph>
<paragraph pageId="28" pageNumber="51">(n=4). Holotype: HW 0.61; HL 0.56; EL 0.11; SL 0.48; WL 0.65; SPL 0.06; PTH 0.15; PTL 0.22; PTW 0.19; PPL 0.13; PPW 0.21; LHT 0.46; CI 1.09; OI 0.20; SI 0.85; SPI 0.09; PTHI 0.69; PTWI 0.88; PPI 1.62; LBI 1.40.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="other material">
<paragraph pageId="28" pageNumber="51">Other material.</paragraph>
<paragraph pageId="28" pageNumber="51">HW 0.51-0.78; HL 0.51-0.78; EL 0.10-0.15; SL 0.43-0.54; WL 0.56-0.86; SPL 0.04-0.05; PTH 0.11-0.16; PTL 0.17-0.27; PTW 0.16-0.23; PPL 0.09-0.15; PPW 0.19-0.22; LHT 0.39-0.56; CI 1.02-1.04; OI 0.19-0.20; SI 0.72-0.85; SPI 0.06-0.07; PTHI 0.60-0.63; PTWI 0.87-1.03; PPI 1.46-2.03; LBI 1.42-1.52.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="diagnosis">
<paragraph pageId="28" pageNumber="51">Diagnosis.</paragraph>
<paragraph pageId="28" pageNumber="51">
Workers of
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
are diagnosed from all Malagasy
<taxonomicName class="Insecta" family="Formicidae" genus="Orthocrema" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Orthocrema" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="genus">Orthocrema</taxonomicName>
, except the closely related
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
, by a combination of the following: indistinct occipital carinae (Figure 14), non-protruding and small eyes and the absence of raised, sharp lateral carinae on the propodeum (Figure 15). All these characteristics are shared with the much more common
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
, from which it cannot be distinguished reliably based on the worker caste.
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
has slightly shorter propodeal spines than
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
, and often a long erect pilosity is present on the propodeum. The distributions of these two species (compare Figures 32F and 33D) aid in distinguishing between them, as they are not known to co-occur. Queens of
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
are easily separated from
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
queens by virtue of the scuto-scutellar suture that is acutely meeting the mesoscutum (Figure 23, compare with Figure 21) and the indistinct occipital carinae. From the remaining Malagasy
<taxonomicName class="Insecta" family="Formicidae" genus="Orthocrema" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Orthocrema" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="genus">Orthocrema</taxonomicName>
queens,
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
queens are diagnosable by the absence of propodeal spines and by their larger size (HW 1.48, WL 2.70).
</paragraph>
<caption pageId="28" pageNumber="51">
<paragraph pageId="28" pageNumber="51">
Figure 33.
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
, worker and queen.
<normalizedToken originalValue="A–C">A-C</normalizedToken>
worker (CASENT0193889) A full face B lateral C dorsal D distribution
<normalizedToken originalValue="E–G">E-G</normalizedToken>
queen (CASENT0067033) E dorsal F full face G lateral.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="worker description">
<paragraph pageId="28" pageNumber="51">Worker description</paragraph>
<paragraph pageId="28" pageNumber="51">
(Figures 33
<normalizedToken originalValue="A–C">A-C</normalizedToken>
).Very small to small species (HW 0.51-0.78, WL 0.56-0.86), with characters of the
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
-group, in addition to the following. Clypeus with or without several short vertical carinae.
</paragraph>
<paragraph pageId="28" pageNumber="51">Mesonotum usually denticulate, then weakly carinate until meeting metanotal groove; posterior face of mesonotum indistinct, gradually sloping into metanotal groove.</paragraph>
<paragraph pageId="28" pageNumber="51">Head sculpture shiny to aciculate; propodeum often with longer erect pilosity. Color yellow to pale yellow.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="queen measurements">
<paragraph pageId="28" pageNumber="51">Queen measurements</paragraph>
<paragraph pageId="28" pageNumber="51">(n=1). HW 1.48, HL 1.52, EL 0.42, SL 0.81, MSNW 1.04, MSNL 1.53, WL 2.70, SPL 0.00, PTH 0.39, PTL 0.51, PTW 0.51, PPL 0.39, PPW 0.53, LHT 1.07, CI 0.96, OI 0.27, SI 0.53, MSNI 1.77, SPI 0.00, PTHI 0.78, PTWI 1.01, PPI 1.35, LBI 2.52.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="queen description">
<paragraph pageId="28" pageNumber="51">Queen description</paragraph>
<paragraph pageId="28" pageNumber="51">
(Figures 33
<normalizedToken originalValue="E–G">E-G</normalizedToken>
). Medium-sized (HW 1.48, WL 2.70), with characters of the
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster volamena" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="volamena">Crematogaster volamena</taxonomicName>
-group, in addition to the following. Antennal scapes reaching to about level of lateral ocelli; occipital carinae indistinct; eyes larger (OI 0.27); head slightly longer than wider (CI 0.96).
</paragraph>
<paragraph pageId="28" pageNumber="51">Mesosoma slender (MSNI 1.77, WL 2.70); mesoscutum in dorsal view elongate; scuto-scutellar suture acutely meeting mesoscutum; dorsal face of propodeum about as long as posterior face, the latter sloping abruptly; petiole subquadrate.</paragraph>
<paragraph pageId="28" pageNumber="51">Head sculpture mostly aciculate, carinulate below eyes. Color reddish brown.</paragraph>
<paragraph pageId="28" pageNumber="51">Male unknown.</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="distribution">
<paragraph pageId="28" pageNumber="51">Distribution and biology.</paragraph>
<paragraph pageId="28" pageNumber="51">
Only one nest collection of this species (a queen and a nanitic worker) from an arboreal root pocket exists. Therefore next to nothing is known about the biology of
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
. The known distribution records of this rare ant show a macrohabitat preference for lowland rainforests of the north-western Sambirano region (Nosy
<normalizedToken originalValue="Bé">Be</normalizedToken>
, R.S. Manongarivo) or eastern littoral rainforest (F Ambohidena) (Figure 33D). These disjunct records from north-western Madagascar and the east coast island Ile St.Marie are peculiar and could point to incomplete distribution records for this species. In any case, although the Ambohidena population has not been sampled for nuclear genetic data, the conspecificity of these disjunct populations is supported by the COI barcoding data.
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster mpanjono" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="mpanjono">Crematogaster mpanjono</taxonomicName>
occurs in sympatry with the widespread
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster rasoherinae" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="rasoherinae">Crematogaster rasoherinae</taxonomicName>
and
<taxonomicName class="Insecta" family="Formicidae" genus="Crematogaster" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crematogaster madecassa" order="Hymenoptera" pageId="28" pageNumber="51" phylum="Arthropoda" rank="species" species="madecassa">Crematogaster madecassa</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="28" pageNumber="51" type="etymology">
<paragraph pageId="28" pageNumber="51">Etymology.</paragraph>
<paragraph pageId="28" pageNumber="51">
The Malagasy word
<normalizedToken originalValue="“mpanjono”">&quot;mpanjono&quot;</normalizedToken>
means &quot;fisher &quot;or
<normalizedToken originalValue="“fisherman”">&quot;fisherman&quot;</normalizedToken>
. The name for this rare ant species is dedicated to B. L. Fisher and his ant diversity and conservation efforts in Madagascar. This name should be treated as a noun in apposition.
</paragraph>
</subSubSection>
</treatment>
</document>
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