Bee-like appearance and loud buzz. Bristles lacking but body is covered with hair-like setae. Branches of the medial vein join before the apical margin and end toward the front margin of the wing before the apex.
s. & w. US; BC(1); most diverse and common in sw. US
Adults frequent flowers
Most are endoparasitoids of grasshoppers(1), Hirmoneurinae parasitize scarab beetles(3)
Rare in NA. Some are considered important in the control of grasshopper populations.
Bequaert J. (1930) Notes on American Nemestrinidae. Psyche 37:286-298 (Full text)
Bequaert J. (1934) Notes on American Nemestrinidae, second paper. J. New York Ent. Soc. 42: 163-184 (First page)
Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.