The sheep ked Melophagus ovinus is a member of the parasitic Dipteran ….    From Wordnik.com.  [RealClimate] Reference

(Melophagus), the wingless Bat tick (Nycteribia) and the winged Horse fly (Hippobosca).    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

In the wingless Sheep tick (Melophagus ovinus, Fig. 94, with the pupa-case on the left), the body is wingless and very hairy, and the proboscis is very long.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference