Common Name:  Horse Flies and Deer Flies

Description:  The horse flies or deer flies are stout bodied and have large, brightly colored compound eyes. In addition, these insects have a third antennal segment that is elongated, and veins on R4 and R5 diverge to enclose the wing tip.

Spot ID Key Characters:

  1. Large compound eyes cover most of head
  2. Third antennal segment elongate and annulated
  3. Veins R4 and R5 diverge to enclose wing tip

Return To:

Order:  Diptera