Genus Trichogenia Braasch & Soldan, 1988 Figs 2 B–G

Remarks.

The Southeast Asian genus Trichogenia was established by Braasch and Soldán (1988) from Vietnam. Four species of Trichogenia are present in the Oriental region (Webb et al. 2006). Onlyone species, so far, is found in northern and northeastern Thai streams.