Brachygaster is a genus of insects belonging to the family Evaniidae. It was first described by William Elford Leach in 1815.
The genus has almost cosmopolitan distribution.
Species Species include the following: Brachygaster aethiopicus Magretti, 1908 - Ethiopia Brachygaster bidentata Kieffer, 1911 - Afrotropical Brachygaster bleusei Pic, 1923 Brachygaster conjugens Enderlein, 1909 Brachygaster globiceps Benoit, 1953 - Democratic Republic of the Congo Brachygaster gussakovskiji Belokobylskij, 2019 Brachygaster minutus (Olivier, 1792) - Western Palearctic Brachygaster murrayorum Elliott, 2005 Brachygaster notauliferus Benoit, 1953 - Democratic Republic of the Congo Brachygaster tschekylli Madl, 1989
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