Mosquitoes and black flies, now stirring after a long winter, have probably helped assure that most of Alaska remains unpopulated, says an expert on those creatures.
“I’ve spent a lot of time in the far north — in Canada, Siberia, and Alaska,” said Peter Adler, a professor of entomology at Clemson University. “You can go down rivers for a month or two at a time and see no humans. Why is that? What’s keeping them out?’
“There are two main features that might play a role — bitterly cold winters and biting flies.”