Horse Flies and Deer Flies Becoming Abundant

The above-average precipitation this year has led to increased numbers of horse flies and deer flies across South Dakota. Widespread flooding and an overall abundance of available water has made conditions perfect for these flies.

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Deer and horse flies can 'slash their way into your skin

BLACK FLYS】FLY PATRICK

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Grassland SDSU Extension

Mosquitoes & Black Flies (Biting Insects), Algonquin Provincial Park

Horse And Deer Flies University Of Maryland Extension

Natural Resources

HORSE AND DEER FLIES: BIOLOGY AND PUBLIC HEALTH RISK

Types Of Flies NY Residents Deal With

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Flies and Mosquitoes of Dogs - Dog Owners - Merck Veterinary Manual