Here’s why farmers and scientists are concerned over the New World screwworm’s unwelcome return to the United States.

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, but this parasite is not picky – it will infest a wide range of hosts, ...

There’s no official fly-tying season, but if there was it would be in the depths of winter. The image of a fly tier hunched over their fly-tying vise on a cold winter’s night is about as romantic as ...