Key to the Indian species of Tropobracon Cameron

1. Vein 1r­m of hind wing about as long as vein 2­SC+R; vein cu­a of fore wing more or less antefurcal, post­furcal or sub­interstitial ............................................................... 2

­ Vein 1r­m of hind wing about 2 times longer than vein 2­SC+R; vein cu­a of fore wing distinctly interstitial ................................................................. T. shafeei Haider sp. nov.

2. Vein 1­SC+R of hind wing about as wide as vein 1r­m; anterior half of propodeum reticulate or granulate.................................................................................................... 3

­ Vein 1­SC+R of hind wing distinctly narrower than vein 1r­m; anterior half of propodeum granulate and mat ................................................................................................ 4

3. Face largely dark brown; vein cu­a of fore wing sub­interstitial; propodeum granulate .................................................................................................. T. infuscatus Achterberg

­ Face completely yellowish; vein cu­a of fore wing antefurcal; propodeum distinctly reticulate ............................................................................................. T. luteus Cameron

4. Vein cu­a of fore wing postfurcal; lateral grooves of median area of second tergite wide, widely crenulate and united in basal half of tergite, resulting in a comparatively small triangular area .............................................................. T. comorensis Achterberg

­ Vein cu­a of fore wing antefurcal; lateral grooves of median area of second tergite narrow, coarsely crenulate and meeting each other at the second metasomal suture, forming a large triangular area ......................................................... T. hayati Haider sp. nov.