How to avoid deer fly bites, according to science

Deer flies are commonly encountered in forests in the summer in the US and Canada

Paul Reeves Photography/Shutterstock​

If you are being pestered by deer flies in the woods of North America this summer, don’t run away – try sitting quietly instead. An experiment shows that people attract more of the biting insects while walking than while sitting still.

Deer flies (genus Chrysops) are a major pest for both wild and domestic animals, with the distress caused by their painful bites leading to weight loss and reduced milk production.

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