Cold-water-insect
Guides
Capnura manitoba
Manitoba snowfly
Capnura manitoba, commonly known as the Manitoba snowfly, is a small winter stonefly in the family Capniidae. It is one of several species in the genus Capnura, which are characterized by their cold-season activity patterns. The species was first described by Claassen in 1924 from Manitoba. Like other members of the Capniidae, it is adapted to cold-water environments and exhibits winter-emergence behavior typical of this stonefly family.
Diamesa nivoriunda
winter midge, snow midge
Diamesa nivoriunda is a species of non-biting midge in the family Chironomidae. Adults are active during winter months and have been observed walking on snow during warm spells. Like other members of the genus Diamesa, this species does not feed as an adult. The larvae develop in cold, running water where they feed on organic debris. The species belongs to a group commonly referred to as "winter midges" or "snow midges" due to their cold-season activity pattern.
Taeniopteryx burksi
Eastern Willowfly
Taeniopteryx burksi, commonly known as the eastern willowfly, is a winter stonefly species in the family Taeniopterygidae. It was described by Ricker and Ross in 1968 and is distributed across eastern and central North America. The species belongs to a group of stoneflies adapted to cold-water environments and winter emergence patterns.