American genera of asilidae ( diptera ) keys for identification, with an atlas of female spermathecae and other morphological details. I. Keys to subfamilies and subfamily leptogastrinae schiner
J Artigas Nelson Papavero 1942-
Concepcion v.52, n.1-2, p.95-114, 1988 Gayana. ZoologiaConcepcion 1988
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