Key to females of the described species of Gonatocerus (Gastrogonatocerus)

[ Gonatocerus (Gastrogonatocerus) valentinae (Ogloblin) not included because it is known only from a male]

1 Ovipositor either not projecting under mesosoma or at most projecting under petiole and propodeum ...................... 2

- Ovipositor projecting strongly under mesosoma, extending to procoxa ...................................................................... 3

2(1) F3 without mps ................................................................................................ G. (Gastrogonatocerus) juvator Perkins

- F3with2mps ....................................................................................... G. (Gastrogonatocerus) anomocerus Crawford

3(1) F4 with mps................................................................................................................................................................... 4

- F4 without mps ............................................................................................................................................................. 5

4(3) F1 subglobular, shorter than pedicel; F2 and F3 with mps ..................... G. (Gastrogonatocerus) nigriceps (Ogloblin)

- F1 much longer than wide, a little longer than pedicel; F2 and F3 without mps............................................................ ................................................................................................................ G. (Gastrogonatocerus) piriformis (Ogloblin)

5(3) F5 with mps .................................................................................................................................................................. 6

- F5 without mps ....................................................................................... G. (Gastrogonatocerus) spiracularis Ogloblin

6(5) F6 without mps ............................................................................. G. (Gastrogonatocerus) membraciphagus Ogloblin

- F6with2mps .......................................................................................... G. (Gastrogonatocerus) margiscutum Girault