Diamesinae
Guides
Boreoheptagyia
Boreoheptagyia is a genus of non-biting midges in the subfamily Diamesinae of the family Chironomidae. The genus was established by Brundin in 1966 and currently comprises approximately 19 described species distributed across the Holarctic region, with particular concentration in mountainous areas of Europe and Asia. Species in this genus are associated with cold, well-oxygenated lotic habitats and exhibit limited dispersal capacity, resulting in restricted, often isolated geographic ranges.
Diamesa
Winter Midges, Snow Midges
Diamesa is a genus of non-biting midges in the subfamily Diamesinae of the family Chironomidae. Adults are commonly known as winter midges or snow midges due to their unusual cold-season activity. The genus exhibits remarkable cold tolerance, with adults active at sub-zero temperatures and larvae inhabiting cold, running waters. Some species display wing dimorphism, with brachypterous (short-winged) forms adapted for ground mating on snow and ice, and macropterous (fully-winged) forms that swarm in flight during spring.
Protanypus
Protanypus is a genus of non-biting midges in the subfamily Diamesinae of the family Chironomidae. The genus comprises approximately 10 described species distributed across Europe, North America, and Asia. Species within this genus are found in aquatic environments, with larvae inhabiting freshwater habitats. The genus was established by Kieffer in 1906.