Tomorrow's lecture: Family Hippoboscidae, the keds (not to be confused with kids 'tennis shoes).    From Wordnik.com.  [grouse Diary Entry] Reference

In another group of Diptera, the blood-sucking parasites of the Hippoboscidae and allied families, the whole larval development is passed through within the mother's body, and a full-grown larva is born the cuticle of which hardens and darkens immediately to form a puparium; hence these flies are often called, though incorrectly.    From Wordnik.com.  [The Life-Story of Insects] Reference

Hippoboscidae, 91.    From Wordnik.com.  [The Life-Story of Insects] Reference