A synopsis of the American Bethylidae (Hymenoptera, Aculeata)
Evans, Howard E. (Howard Ensign), 1922-2002
Article
1964
Bulletin of the Museum of Comparative Zoology at Harvard College
132
1--222
BioStor
English
Cambridge, Mass The Museum 1863-
BioStor: https://biostor.org/reference/103802
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