1. Propodeum without denticles or with very short blunt denticles, color uniformly brown to dark brown.……………………………………………………..……………….……... 2

– Propodeum with spines of variable length, color from uniformly yellow or bicolor with brown head and gaster ………………………………………………………………..…. 3

2. Part of the head, as well as areas on the mesosoma largely smooth and shiny ……………..................................................................................................................... T. wroughtonii

– Entire surface of head and mesosoma strongly rugulose ….....… T. kathmanduensis sp. n.

3. Body uniformly yellow, scape short (SI1 0.65), propodeal spines straight and thin, weakly widened at base, directed upwards (ESLI 0.26) …………………..…..… T. buddha sp. n.

– Body bicolor, at least head and gaster distinctly darker than mesosoma, scape long (SI1 0.84–0.87), propodeal spines curved and widened at base (ESLI 0.20–0.23) ………….. ………………………………………………………....…….... T. pathibharaensis sp. n.