Intermittent-streams

Guides

• Allocapnia recta

  Eastern Snowfly

  Allocapnia recta, commonly known as the eastern snowfly, is a small winter stonefly in the family Capniidae. The species exhibits a univoltine slow-season life cycle with adult emergence occurring during January-February. It inhabits karst headwater streams, where it has been observed at higher densities in intermittent flow sections compared to permanent flow sections. The species is found in eastern North America.

  PlecopteraCapniidaewinter-stoneflykarst-streamsintermittent-streamsunivoltine

• Cordulegaster dorsalis

  Pacific spiketail

  Cordulegaster dorsalis, commonly known as the Pacific spiketail, is a dragonfly species in the family Cordulegastridae. Larvae inhabit intermittent headwater streams and typically require three years to reach maturity, emerging as adults during July and August. The species shows evidence of sediment microhabitat partitioning, with smaller larval instars associated with finer-grained organic sediments.

  dragonflyOdonataCordulegastridaespiketailintermittent-streamswestern-North-Americalarval-developmentsediment-microhabitat

• Neohermes

  Gray Fishflies

  Neohermes is a genus of fishflies in the family Corydalidae containing approximately five described species. Species in this genus are aquatic insects associated with freshwater habitats, particularly intermittent streams. The genus is known for including long-lived aquatic species with specialized burrowing behaviors.

  aquaticfreshwaterintermittent-streamsburrowingMegalopterafishfly