Acropyga Genus
Acropyga are subterranean ants living in obligate symbiosis with root-feeding mealybugs. Queens carry a mealybug during their nuptial flight to found new colonies. Distributed across tropical Asia, Australia, and Indo-Pacific regions.
A. acutiventris
Eye large, with more than 20 ommatidia
Mand. with 5 triangular teeth (5th can hide behind 4th in fview)
- India, Sri Lanka, Indonesia, Malaysia, Singapore, China, Papua New Guinea, the Solomon Island, Australia
Atopodon
Mand. with 5 teeth, basal tooth truncate apically
If PP in pview dorsal surface not near-horizontal; posterolateral margin convex, not forming angle then (1)
If Head sides fview parallel, PE in pview thick, dorsal margin obtusely angulate then (2)
If Head sides fview slightly convex, PE in pview thin, dorsal margin acutely angulate then (3)
- (1) South-East China, Hainan
(2) Japan (Mikura-jima Is., Shikoku, Kyushu, Yaku-shima Is, Nansei Is.
(3) China (Jiangxi, Guangxi, Hainan Is.)
Rhyzomyrma
Mand. with 3-4 teeth, basal tooth triangular with acute apex
if funiculus with 6 articles, eyes absent:A. septemstruma (left)
Else funiculus with more than 8 articles, eyes present:
Mand. with 3 teeth:
A. sauteri (right)
Mandible with 4 teeth:
A. sauteri (right)
- China, Japan, Taiwan