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<mods:title id="35AD63846B2435AF4D6E98F3E6A58AAD">Chrysomelid males with enlarged mandibles: three new species and a review of occurrence in the family (Coleoptera: Chrysomelidae)</mods:title>
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<subSubSection id="C3136551D557FFB61F89FEE0FDBAFA55" box="[151,526,1473,1498]" pageId="1" pageNumber="80" type="nomenclature">
<paragraph id="8BB636DAD557FFB61F89FEE0FDBAFA55" blockId="1.[151,526,1473,1498]" box="[151,526,1473,1498]" pageId="1" pageNumber="80">
<taxonomicName id="4C094D59D557FFB61F89FEE0FDBAFA55" authority="Westwood 1861: 216" authorityName="Westwood" authorityPageNumber="216" authorityYear="1861" box="[151,526,1473,1498]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="80" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D557FFB61F89FEE0FDBAFA55" bold="true" box="[151,526,1473,1498]" pageId="1" pageNumber="80">
<emphasis id="B97DEAC8D557FFB61F89FEE0FEA0FA55" bold="true" box="[151,276,1473,1498]" italics="true" pageId="1" pageNumber="80">Chaloenus</emphasis>
<bibRefCitation id="EF984B2BD557FFB61E04FEE3FDBAFA55" author="Westwood, J. O." box="[282,526,1473,1498]" journalOrPublisher="Journal of Entomology" pageId="1" pageNumber="80" pagination="216 - 8" part="1" refId="ref14868" refString="Westwood, J. O. (1861) Description and figures of a new genus and species of Gallerucidae. Journal of Entomology, 1 (4), 216 - 8." title="Description and figures of a new genus and species of Gallerucidae" type="journal article" year="1861">Westwood 1861: 216</bibRefCitation>
</emphasis>
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<subSubSection id="C3136551D557FFB61F89FD2AFBBBF9AF" box="[151,1039,1546,1568]" pageId="1" pageNumber="80" type="type_taxon">
<paragraph id="8BB636DAD557FFB61F89FD2AFBBBF9AF" blockId="1.[151,1039,1546,1568]" box="[151,1039,1546,1568]" pageId="1" pageNumber="80">
<typeStatus id="54B28878D557FFB61F89FD2AFF7CF9AF" box="[151,200,1547,1568]" pageId="1" pageNumber="80">Type</typeStatus>
species:
<taxonomicName id="4C094D59D557FFB61E38FD2BFDD4F9AF" authority="Westwood" authorityName="Westwood" box="[294,608,1546,1568]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="80" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="B97DEAC8D557FFB61E38FD2BFE59F9AF" box="[294,493,1546,1568]" italics="true" pageId="1" pageNumber="80">Chaloenus latifrons</emphasis>
Westwood
</taxonomicName>
, by subsequent designation (
<bibRefCitation id="EF984B2BD557FFB61C9CFD2BFBBCF9AF" author="Wilcox, J. A." box="[898,1032,1546,1568]" journalOrPublisher="Luperini: Luperina. Coleopterorum Catalogus Supplementa" pageId="1" pageNumber="80" pagination="431 - 664" part="78" refId="ref14902" refString="Wilcox, J. A. (1973) Chrysomelidae: Galerucinae. Luperini: Luperina. Coleopterorum Catalogus Supplementa, 78 (3), 431 - 664." title="Chrysomelidae: Galerucinae" type="journal article" year="1973">Wilcox 1973</bibRefCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C3136551D557FFB51F89FD6DFE64FEEB" lastPageId="2" lastPageNumber="81" pageId="1" pageNumber="80" type="diagnosis">
<paragraph id="8BB636DAD557FFB51F89FD6DFE64FEEB" blockId="1.[151,1436,1612,2032]" lastBlockId="2.[151,1436,151,895]" lastPageId="2" lastPageNumber="81" pageId="1" pageNumber="80">
<emphasis id="B97DEAC8D557FFB61F89FD6DFE1CF9EA" bold="true" box="[151,424,1612,1637]" pageId="1" pageNumber="80">Diagnostic description</emphasis>
(based on
<bibRefCitation id="EF984B2BD557FFB61D2AFD6DFD5AF9EB" author="Takizawa, H." box="[564,750,1612,1636]" journalOrPublisher="Genus" pageId="1" pageNumber="80" pagination="269 - 330" part="23" refId="ref14766" refString="Takizawa, H. (2012) Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae). Genus, 23 (2), 269 - 330." title="Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae)" type="journal article" year="2012">Takizawa, 2012</bibRefCitation>
, and examination of 12 species). Small to medium sized alticine, length
<quantity id="4CF19B3FD557FFB61E4CFD51FE18F907" box="[338,428,1648,1672]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="8.0" metricValueMin="3.0" pageId="1" pageNumber="80" unit="mm" value="5.5" valueMax="8.0" valueMin="3.0">38mm</quantity>
; head deflected at antennal insertions, especially in males, with genae and clypeus elongated; genae long, 0.52.0x eye length; male frontoclypeus without pits, setose foveae, tubercles or spines; postantennal calli well-defined, adjacent, convex, triangular to rectangular; antennal insertions close, separated by less than socket diameter; first antennomere greatly elongated, much longer than eye, second short, third elongated; labrum with truncate or convex apical margin; apical maxillary palpomere conical, shorter and narrower than preapical; pronotum strongly transverse, width 1.5
<date id="FFB7101AD557FFB61DDBFC05FD67F8B3" box="[709,723,1828,1852]" pageId="1" pageNumber="80">2</date>
x length, broadest at anterior half (usually at anterior angles); pronotum with or without discal depressions (not sharply defined); anterior pronotal border usually absent; procoxae strongly protruding, adjacent; prosternal process narrow but present between coxae; procoxal cavities closed by insertion of hypomera into apex of prosternal process; elytra non-striate to striate, rarely partially costate; elytra glabrous or with scattered erect setae; epipleuron broad at base (0.15
<date id="FFB7101AD557FFB61CECFC95FC4BF843" box="[1010,1023,1972,1996]" pageId="1" pageNumber="80">2</date>
x elytral width), gradually narrowed, upper and lower margins fusing well before elytral apex; mesoventrite process almost triangular, with truncate apex; metaventrite without posterior lobes between hind coxae; metafemur 1.5
<date id="FFB7101AD554FFB51B06FBB6FB92FF20" box="[1048,1062,151,175]" pageId="2" pageNumber="81">2</date>
x width mesofemur, with internal folded extensor endosclerite for jumping; tibiae rarely sharply ridged externally, without apical spurs; length of first metatarsomere slightly shorter to slightly longer than 2+3; third tarsomere deeply bilobed; tarsal claws appendiculate with basal lobe large and acute; ventrites not laterally ridged; male last ventrite trilobate, with two slots defining median apical lobe; female last ventrite simple; penis elongate-cylindrical with expanded basal foramen, apex symmetrical.
</paragraph>
</subSubSection>
<subSubSection id="C3136551D554FFB51FD9FA51FBCFFCF0" pageId="2" pageNumber="81" type="discussion">
<paragraph id="8BB636DAD554FFB51FD9FA51FED4FD28" blockId="2.[151,1436,151,895]" pageId="2" pageNumber="81">
<emphasis id="B97DEAC8D554FFB51FD9FA51FEA5FE07" bold="true" box="[199,273,368,392]" pageId="2" pageNumber="81">Notes.</emphasis>
The original paper erecting
<taxonomicName id="4C094D59D554FFB51D51FA51FD73FE07" box="[591,711,368,392]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51D51FA51FD73FE07" box="[591,711,368,392]" italics="true" pageId="2" pageNumber="81">Chaloenus</emphasis>
</taxonomicName>
was published in issue IV of the
<emphasis id="B97DEAC8D554FFB51B4EFA51FAE5FE07" box="[1104,1361,368,392]" italics="true" pageId="2" pageNumber="81">Journal of Entomology</emphasis>
, dated December, 1861 (
<bibRefCitation id="EF984B2BD554FFB51E40FAB5FDADFE23" author="Westwood, J. O." box="[350,537,404,428]" journalOrPublisher="Journal of Entomology" pageId="2" pageNumber="81" pagination="216 - 8" part="1" refId="ref14868" refString="Westwood, J. O. (1861) Description and figures of a new genus and species of Gallerucidae. Journal of Entomology, 1 (4), 216 - 8." title="Description and figures of a new genus and species of Gallerucidae" type="journal article" year="1861">Westwood 1861</bibRefCitation>
). The statement that Medvedev “erroneously dated it as 1861” (
<bibRefCitation id="EF984B2BD554FFB51BFBFAB5FE35FE40" author="Konstantinov, A. S. &amp; Prathapan, K. D." journalOrPublisher="The Coleopterist's Bulletin" pageId="2" pageNumber="81" pagination="381 - 418" part="62" publicationUrl="http://dx.doi.org/10.1649/1089.1" refId="ref12626" refString="Konstantinov, A. S. &amp; Prathapan, K. D. (2008) New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae). The Coleopterist's Bulletin, 62 (3), 381 - 418. http: // dx. doi. org / 10.1649 / 1089.1" title="New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae)" type="journal article" year="2008">Konstantinov &amp; Prathapan 2008: 391</bibRefCitation>
) is therefore incorrect. Furthermore, the genus was originally credited with two species, both new, one described by Westwood and one by Baly. A
<typeStatus id="54B28878D554FFB51DF5FAFCFCAFFE7A" box="[747,795,477,501]" pageId="2" pageNumber="81">type</typeStatus>
species was not clearly designated and the genus was not monotypic, therefore the statement by
<bibRefCitation id="EF984B2BD554FFB51D41FADEFCF2FD98" author="Wilcox, J. A." box="[607,838,511,535]" journalOrPublisher="Luperini: Luperina. Coleopterorum Catalogus Supplementa" pageId="2" pageNumber="81" pagination="431 - 664" part="78" refId="ref14902" refString="Wilcox, J. A. (1973) Chrysomelidae: Galerucinae. Luperini: Luperina. Coleopterorum Catalogus Supplementa, 78 (3), 431 - 664." title="Chrysomelidae: Galerucinae" type="journal article" year="1973">Wilcox (1973: 656)</bibRefCitation>
, that
<taxonomicName id="4C094D59D554FFB51C92F921FB3BFD98" authority="Westwood" authorityName="Westwood" box="[908,1167,511,536]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="B97DEAC8D554FFB51C92F921FBBBFD97" box="[908,1039,512,536]" italics="true" pageId="2" pageNumber="81">C. latifrons</emphasis>
Westwood
</taxonomicName>
is the
<typeStatus id="54B28878D554FFB51BF6F921FAACFD97" box="[1256,1304,512,536]" pageId="2" pageNumber="81">type</typeStatus>
species by monotypy, was erroneous. Ironically, Wilcox's statement constitutes a
<typeStatus id="54B28878D554FFB51B1DF904FB87FDB2" box="[1027,1075,549,573]" pageId="2" pageNumber="81">type</typeStatus>
species designation in itself (International Code of Zoological Nomenclature 1999, Art. 69.1.1), which is
<taxonomicName id="4C094D59D554FFB51CEBF969FB47FDD0" authority="Westwood" authorityName="Westwood" box="[1013,1267,583,608]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="species" species="latifrons">
<emphasis id="B97DEAC8D554FFB51CEBF969FBC7FDEF" box="[1013,1139,584,608]" italics="true" pageId="2" pageNumber="81">C. latifrons</emphasis>
Westwood
</taxonomicName>
, by subsequent designation of Wilcox. This was overlooked by
<bibRefCitation id="EF984B2BD554FFB51DDDF94DFBFEFD0B" author="Konstantinov, A. S. &amp; Prathapan, K. D." box="[707,1098,620,644]" journalOrPublisher="The Coleopterist's Bulletin" pageId="2" pageNumber="81" pagination="381 - 418" part="62" publicationUrl="http://dx.doi.org/10.1649/1089.1" refId="ref12626" refString="Konstantinov, A. S. &amp; Prathapan, K. D. (2008) New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae). The Coleopterist's Bulletin, 62 (3), 381 - 418. http: // dx. doi. org / 10.1649 / 1089.1" title="New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae)" type="journal article" year="2008">Konstantinov &amp; Prathapan (2008)</bibRefCitation>
, who uneccessarily made the same designation.
</paragraph>
<paragraph id="8BB636DAD554FFB51FD9F995FC33FC9B" blockId="2.[151,1436,151,895]" pageId="2" pageNumber="81">
<bibRefCitation id="EF984B2BD554FFB51FD9F995FDE9FD43" author="Konstantinov, A. S. &amp; Prathapan, K. D." box="[199,605,692,716]" journalOrPublisher="The Coleopterist's Bulletin" pageId="2" pageNumber="81" pagination="381 - 418" part="62" publicationUrl="http://dx.doi.org/10.1649/1089.1" refId="ref12626" refString="Konstantinov, A. S. &amp; Prathapan, K. D. (2008) New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae). The Coleopterist's Bulletin, 62 (3), 381 - 418. http: // dx. doi. org / 10.1649 / 1089.1" title="New generic synonyms in the Oriental flea beetles (Coleoptera: Chrysomelidae)" type="journal article" year="2008">Konstantinov &amp; Prathapan (2008)</bibRefCitation>
synonymised
<taxonomicName id="4C094D59D554FFB51C0EF994FB88FD43" authority="Jacoby, 1884" authorityName="Jacoby" authorityYear="1884" box="[784,1084,692,716]" class="Insecta" family="Chrysomelidae" genus="Priostomus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51C0EF994FC3BFD43" box="[784,911,693,716]" italics="true" pageId="2" pageNumber="81">Priostomus</emphasis>
Jacoby, 1884
</taxonomicName>
, with
<taxonomicName id="4C094D59D554FFB51B8FF995FABCFD43" box="[1169,1288,692,716]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51B8FF995FABCFD43" box="[1169,1288,692,716]" italics="true" pageId="2" pageNumber="81">Chaloenus</emphasis>
</taxonomicName>
. The genus
<taxonomicName id="4C094D59D554FFB51F89F9F9FEBBFD7F" box="[151,271,728,752]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51F89F9F9FEBBFD7F" box="[151,271,728,752]" italics="true" pageId="2" pageNumber="81">Chaloenus</emphasis>
</taxonomicName>
has recently been revised (
<bibRefCitation id="EF984B2BD554FFB51D40F9F6FCA6FD60" author="Takizawa, H." box="[606,786,727,751]" journalOrPublisher="Genus" pageId="2" pageNumber="81" pagination="269 - 330" part="23" refId="ref14766" refString="Takizawa, H. (2012) Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae). Genus, 23 (2), 269 - 330." title="Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae)" type="journal article" year="2012">Takizawa 2012</bibRefCitation>
) with these two concepts,
<taxonomicName id="4C094D59D554FFB51B44F9F9FB66FD7F" box="[1114,1234,728,752]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51B44F9F9FB66FD7F" box="[1114,1234,728,752]" italics="true" pageId="2" pageNumber="81">Chaloenus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C094D59D554FFB51A0BF9F8FA20FD7F" box="[1301,1428,729,752]" class="Insecta" family="Chrysomelidae" genus="Priostomus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51A0BF9F8FA20FD7F" box="[1301,1428,729,752]" italics="true" pageId="2" pageNumber="81">Priostomus</emphasis>
</taxonomicName>
, retained as subgenera, separated primarily by antennal proportions.
</paragraph>
<paragraph id="8BB636DAD554FFB51FD9F801FBCFFCF0" blockId="2.[151,1436,151,895]" pageId="2" pageNumber="81">
<taxonomicName id="4C094D59D554FFB51FD9F801FE8BFCB7" box="[199,319,800,824]" class="Insecta" family="Chrysomelidae" genus="Chaloenus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAC8D554FFB51FD9F801FE8BFCB7" box="[199,319,800,824]" italics="true" pageId="2" pageNumber="81">Chaloenus</emphasis>
</taxonomicName>
is one of many genera of the leaf beetle subfamily
<taxonomicName id="4C094D59D554FFB51C62F83EFBB7FCB8" box="[892,1027,799,823]" class="Insecta" family="Chrysomelidae" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="81" phylum="Arthropoda" rank="subFamily" subFamily="Galerucinae">Galerucinae</taxonomicName>
with greatest diversity on the Sunda Shelf of south-east Asia. There are 42 described species (
<bibRefCitation id="EF984B2BD554FFB51C03F865FC7AFCD3" author="Takizawa, H." box="[797,974,836,860]" journalOrPublisher="Genus" pageId="2" pageNumber="81" pagination="269 - 330" part="23" refId="ref14766" refString="Takizawa, H. (2012) Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae). Genus, 23 (2), 269 - 330." title="Descriptions of new species of the genus Chaloenus Westwood from Greater Sunda Islands (Coleoptera: Chrysomelidae: Alticinae)" type="journal article" year="2012">Takizawa 2012</bibRefCitation>
), 36 of which are recorded from Borneo. The new species described below is also Bornean and belongs to the nominate subgenus.
</paragraph>
</subSubSection>
</treatment>
</document>