
Deuterophlebiidae, commonly known as the mountain midges, are a small family of nematocerous flies represented today by a single extant genus, Deuterophlebia. Adults have broad, fan-shaped wings, and males possess extraordinarily long antennae, which they use in territorial displays above swift mountain streams while awaiting emerging females.
GENUS
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Deuterophlebiidae, commonly known as the mountain midges, are a small family of nematocerous flies represented today by a single extant genus, Deuterophlebia. Adults have broad, fan-shaped wings, and males possess extraordinarily long antennae, which they use in territorial displays above swift mountain streams while awaiting emerging females.
== Description and biology == The family comprises about fourteen described species, distributed mainly throughout the temperate regions of the Northern Hemisphere. They are strongly associated with fast-flowing, cold mountain rivers and streams, from which their common name derives.
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