New species of Leptocera Olivier in the burrows of the pocket gopher, Geomys Bursarius Illinoensis Komarek and Spencer, found in Illinois (Diptera: Sphaeroceridae)

v.44:no.19 (1964

Two new Tachinidae (Diptera) parasitic on Polybia species (Hymenoptera). American Museum novitates ; no. 923

4 p. ; 24 cm