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Genus: Dilobocondyla   Santschi, 1910 


Classification:

Taxonomic History (provided by Barry Bolton, 2017)

19 species, 2 subspecies

Dilobocondyla Santschi, 1910h: 283. Type-species: Atopomyrmex selebensis, by subsequent designation of Wheeler, 1911g PDF: 162. AntCat AntWiki

Taxonomic history

Genus Dilobocondyla references
Emery, 1924f: 240 (diagnosis, catalogue); Wheeler, 1924c PDF: 248 (all species key); Chapman & Capco, 1951 PDF: 115 (Asia checklist); Bolton, 1995a PDF: 1049 (census); Bolton, 1995b: 171 (catalogue); Shattuck, 1999: 133 (Australia synopsis); Bharti & Kumar, 2013 PDF (all species key); Zettel & Bruckner, 2013 PDF: 137 (diagnosis, Philippines species key).

Taxon Page Images:


Distribution:

   Genus is native to: Australasia, Indomalaya, Palearctic bioregions (based on species list records).

Australasia Region: Australia, Australia and New Zealand, Gulf, Morobe, Northern, Oceania, Papua New Guinea, Queensland
Indomalaya Region: Aceh, Asia, Borneo, Brunei, Bukidnon, Bắc Giang, Camarines Sur, Guangdong, Hainan, Hong Kong, India, Indonesia, Leyte, Lâm Đồng, Malaysia, Negros Oriental, Oriental Mindoro, Philippines, Singapore, South-Eastern Asia, Southern Asia, Sri Lanka, Sulawesi Tengah, Thailand, Uttarakhand, Vietnam
Oceania Region: Melanesia
Palearctic Region: China, Eastern Asia

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

Dilobocondyla SantschiHNS, 1910

Taxonomy. The genus DilobocondylaHNS is assigned to the tribe FormicoxeniniHNS (Bolton 1994, 2003). A key to the described species was given by Wheeler (1924). Workers of Vietnamese species have the following features.

Worker monomorphic; head in full-face view subrectangular; preoccipital carina distinct laterally; posterolateral corner of head with a small acute angle or denticle exterior to preoccipital carina; frontal carina distinct; antennal scrobe shallow but distinct; median portion of clypeus broadly inserted between frontal lobes; anterior clypeal margin weakly convex and with a weak emargination at midpoint; median clypeal seta, if present, indistinct; mandible triangular, with 6 teeth on masticatory margin; antenna 12-segmented, with conspicuous 3-segmented club; eye relatively large; promesonotum in lateral view hardly or weakly raised; promesonotal suture absent dorsally; metanotal groove weakly impressed dorsally; propodeum in lateral view weakly swollen posterodorsad, unarmed; propodeal lobe well developed; femora strongly and abruptly incrassate in distal two thirds; petiole elongate, cylindrical, slightly arcuate in lateral view; subpetiolar process distinct, tooth-like, located anteroventrally near articulation with mesosoma; postpetiole in lateral view with acute anteroventral angle; gaster short, oval in dorsal view.

The worker of DilobocondylaHNS is easily distinguished from that of other myrmicine genera known from Vietnam by posterolateral corner of head with a small acute angle or denticle exterior to preoccipital carina, propodeum unarmed, femora strongly and abruptly incrassate, and petiole elongate and sylindrical.

Vietnamese species. One species has been described from Vietnam: fouqueti SantschiHNS (type locality: Ha Noi). Two additional species have been recognized by us from Vietnam: sp. eg-1 (Da Lat); sp. eg-2 (Tay Ye n Tu).

Bionomics. We have rarely encountered foraging workers of DilobocondylaHNS on leaves in undergrowth of natural and man-made forests.



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