Taxon classification Animalia Hymenoptera Formicidae

Gnamptogenys costata (Emery, 1889) Figure 13

Material examined.

CHINA, Yunnan, Xishuangbanna: XTBG (21.911° N, 101.281° E), Limestone forest, 06.vi.2013, 1 worker, 655m, Hand collection, B. Guénard, B. Blanchard and C. Liu ; XTBG (21.919° N, 101.274° E), Rain forest, 08.vi.2013, 2 workers, 615m, Hand collection, B. Guénard, B. Blanchard and C. Liu

Distribution.

Widely distributed in the Austral-Asian and Indo-Malayan subregions (Figure 13 C).

Taxonomic note.

The identification is based on the key provided by Lattke (2004). The material from Yunnan shows some minor variation in the development of gastral sculpture, which we consider as geographic, intraspecific variation.

Natural history.

Gnamptogenys costata has been collected from foraging columns on the ground in rain forest and limestone forest.