The Book of the Fly / A nature study of the house-fly and its kin, the fly plague and a cure

by George Hurlstone Hardy

41 (40). Vertex flat or raised, eyes not protruding.

42 (43) (44). V, 4 ending in 3 branches (plate V, 6, 7) between V, 3 and V, 5.

Bombylidæ, XIX

43 (42) (44). V, 4 ending in 4 branches (plate V, 8) between V, 3 and V, 5.

Therevidæ, XX

44 (42) (43). V, 4 ending in 2 branches (plate V, 9); antennæ (plate III, 23) without A, IV, 6.

Scenopinidæ, XXI

45 (35). O, 6¹ short (plate V, 10) not nearly reaching hind margin.

Part of Empidæ, XXIII

46 (34). V, 3 not forked (plate V, 11-12, 14-17).