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Genus: Recurvidris   Bolton, 1992 


Taxonomic History (provided by Barry Bolton, 2021)

Extant: 12 valid species

Recurvidris Bolton, 1992b PDF: 36. AntCat AntWiki

Taxonomic history

Replacement name for Trigonogaster Forel, 1890: cix; junior homonym of Trigonogaster (Hymenoptera, Pteromalidae) Guérin-Méneville, 1844b PDF: 1149.
Recurvidris incertae sedis in Myrmicinae: Bolton, 1992b PDF: 38.
Recurvidris in Myrmicinae, Pheidologetonini: Bolton, 1994: 106.
Genus Recurvidris references
Dalla Torre, 1893 PDF: 72 (catalogue); Emery, 1924f PDF: 210 (diagnosis, catalogue); Chapman & Capco, 1951 PDF: 161 (Asia checklist); Ettershank, 1966 PDF: 158 (diagnosis, review of genus, checklist); Bolton, 1992b PDF: 35 (diagnosis, review of genus, all species revision, key); Bolton, 1995a PDF: 1052 (census); Bolton, 1995b: 377 (catalogue); Zhou, 2000 PDF: 301 (China species key); Zhou, 2001a PDF: 110 (China, Guangxi species key);. Jaitrong & Wiwatwitaya, 2015 PDF: 104 (Thailand species key); Cantone, 2017 PDF: 232 (brief male diagnosis); Jaitrong et al., 2019 10.3897/zookeys.830.31147 PDF: 59 (Asian species key)
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Asia: Borneo, Cambodia, China, India, Indonesia, Japan, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam
  Biogeographic regions (According to curated Bioregion/Taxon lists):
  Native biogeographic regions (according to species list records):
    Australasia, Indomalaya

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Eguchi, K., Viet, B. T. & Yamane, S., 2011, Generic synopsis of the Formicidae of Vietnam (Insecta: Hymenoptera), Part I - Myrmicinae and Pseudomyrmicinae., Zootaxa 2878, pp. 1-61

Recurvidris BoltonHNS, 1992

Taxonomy. The genus was first described by Forel (1890) as TrigonogasterHNS, but the name was preoccupied by a pteromalid chalcid, so the new name RecurvidrisHNS was proposed by Bolton (1992). It was classified in the tribe CrematogastriniHNS by Bolton (2003). Workers of Vietnamese species have the following features.

Worker monomorphic; head in full-face view oval or subrectangular; frontal carina and antennal scrobe absent; median portion of clypeus in lateral view relatively steeply sloping anteriad; anterior clypeal margin lacking an isolated median seta; posteromedian portion of clypeus relatively broadly inserted between frontal lobes; mandible relatively narrow; masticatory margin oblique, with 4-5 teeth; antennae 11-segmented, with distinct 3-segmented club; eye well developed, weakly pointed anteroventrally; mesosoma long; promesonotal dome raised above anterodorsal border of propodeum, with a long posterior slope to propodeum; promesonotal suture absent dorsally; metanotal groove weakly impressed dorsally; propodeal spine curving upwards and forwards from base; propodeal spiracle located close to dorsal face of propodeum, far in front of base of propodeal spine; propodeal lobe vestigial; petiole pedunculate, with a tiny to large, triangular subpetiolar process; petiolar node low and weakly conical in lateral view; postpetiole in lateral view dorsoventrally narrowed posteriorly, in dorsal view broadly attached to first gastral segment; first gastral segment behind postpetiole in lateral view extremely dorsoventrally compressed; gastral shoulder absent.

The worker of RecurvidrisHNS is somewhat similar to that of Crematogaster (Orthocrema)HNS species (for distinguishing characters see under Crematogaster).

Vietnamese species. Three species has been found from Vietnam: glabriceps ZhouHNS [= sp. eg-1; = sp. 6 of SKY: Eguchi et al. 2005] (Tam Dao, Van Ban); sp eg-2 (Ba Be, My Yen, Pu Mat, Van Ban); sp. eg-3 (Van Ban).

Bionomics. Vietnamese RecurvidrisHNS species inhabit forest edges and woody habitats, but rarely grasslands. They nest in the soil and build a chimney-shaped mound on the nest entrance with soil particles.

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