Page:Mosquitoes, gnats, craneflies, midges and flies of the northern states (IA mosquitoesgnatsc00knobe).pdf/64



'''Family 31. HIPPOBOSCIDÆ.''' Louse Flies and Ticks. This and the next two families differ from all flies mentioned before by having no larva state. The female instead of laying eggs, gives birth to the pupa from which the insect emerges.

1. H. equina. ¼ in.; bright rust yellow; chest chestnut' feet black. Nestles in the hair of the horse.

2. H. bubonis. ⅜ in.; horn color with reddish tinge and black hairs; feet and tail-end black. Lives on the owl.

Lives in his wingless state on the deer, and with developed wings on the partridge. With three length-veins in the wing. L. cervi on the deer; Ornithomyia pollida on the partridge.

1. O. nebulosa. $3⁄10$ in.; yellow head; chest reddish brown with yellow spot on shoulder, and three stripes; body pale brown with black hair.

2. O. pallida. $1⁄5$ in.; chest pale yellow; body pale brown; legs white on partridge.

3. O. confluens. ⅛ in. reddish brown.

4. O. fusciventris. $3⁄16$ in.; chest honey yellow; body brown; legs green.