American genera of asilidae (diptera): keys for identification with an atlas of female spermathecae and other morphological details. Ix. 4. Subfamily asilinae leach - glaphyropyga group, with the proposal of two new genera and a catalogue of the neotropical species - Artigas, J N; Papavero, Nelson (Boletin de la Sociedad de Biologia de Concepcion, 1996)