I don’t know why I was worried, but I was. While preparing to lead a stream exploration, I was worried that it was too early in the season to find anything interesting in the stream. Worried despite ...

Mayflies thrive in the fertile waters around Vail. Mayflies are quiet, unobtrusive insects that hatch and sail away out of sight. Unlike the clownish bouncing of the caddis moths or the spectacular ...

Scientists scooped sand from a riverbed in Thailand and found two nymphs of rare mayfly species not seen in 22 years, a study said. Photo from Kwanboon and Boonsoong (2025) Knee-deep in a river of ...