Brachygaster Leach, 1815

Rameshkumar, A., Kazmi, S. I., Yeshwanth, H. M. & Barua, A., 2025, Description of a new species of Brachygaster Leach (Hymenoptera: Evaniidae) from India with a key to species, Zootaxa 5618 (1), pp. 137-139 : 139

Key to Indian species of Brachygaster Leach (based on females)

1. Head with an arch-like pattern of sculpturing around antennal sockets; length of POL ≤ scape length................... 2

--. Head without an arch-like pattern of sculpturing around antennal sockets; length of POL> scape length................................................................................................. B. bangalorensis sp. nov.

2. Mandible bidentate; length of POL equal to scape length; notaulus absent; epicnemial carina without median process; nucha present and elevated; costal cell 3.5 × as long as stigmal vein; ovipositor not exserted...... B. rarum Rameshkumar et al.

--. Mandible tridentate; length of POL less than scape length; notaulus present and not elevated; epicnemial carina with median process; costal cell 1.3 × as long as stigmal vein; ovipositor exserted................... B. kawadai Rameshkumar et al.