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 lying down in June and July,…
