Deer Flies

deer flyDeer flies Senior only

Scientific name: Chrysops sp.
(Diptera: Tabanidae)

Facts: Deer flies are biting flies with a pattern in the wing. They are larger than a house fly but smaller than most horse flies. They can bite human, pets, and livestock. Larvae are large maggots usually in slow moving water where they feed on organic matter. Adult flies can be found around lakes and ponds. However, they are also a pest of livestock in rangeland where the adults like to roost in cedar trees. In Texas, they are sometimes called “cedar flies”.

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