| Frequently Asked Questions about Black Flies Answers to Frequently Asked Questions about Black Flies Q: Why are Black Flies attracted to me? A: Black Flies are attracted by a number of things, including exhaled carbon dioxide, clothing color, body odors, temperature and perspiration. Q: Do Black Flies die in the cold in winter? A: No, they can overwinter in the egg, larval or pupal stage. They are fairly hardy in the egg stage and can withstand very cold temperatures. Q: Do both male and female Black Flies bite? A: No, just the females bite and she does that to gather blood for the development of the eggs. Both the male and female feed on plant nectar for nourishment. Q: Are all Black Flies black in color? A: No, actually, “Black Fly” is misleading, since they are either gray, yellow or beige in color. Q: Do Black Flies live in water in old tires and puddles like
mosquitoes do? A: No, they don’t. The egg, larval and pupal stages need moving or running water for oxygen and nourishment.  Protect your family, pets and guests from bothersome black flies
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