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.
Woodland caribou spend more time …
