Pteronarcella regularis
(Hagen, 1874)
Dwarf Salmonfly
Pteronarcella regularis, commonly known as the dwarf salmonfly, is a of in the Pteronarcyidae. It is one of the smaller members of a family known for large-bodied species. The species is found in western North America, with records from Alaska through western Canada to California and Nevada. Like other stoneflies in this family, it is associated with running water .
Pronunciation
How to pronounce Pteronarcella regularis: //ˌtɛroʊnɑrˈsɛlə rɛɡjuˈlɛrɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
As the 'dwarf salmonfly' suggests, Pteronarcella regularis is smaller than other members of the Pteronarcyidae, which includes some of the largest in North America. The Pteronarcella is distinguished from the related genus Pteronarcys by subtle morphological differences in wing venation and genitalia structure. Specific identification characters for P. regularis include details of the male claspers and female subgenital plate, though these require microscopic examination.
Habitat
Associated with lotic (flowing water) environments. Specific microhabitat preferences are not well documented in available sources.
Distribution
Western North America: recorded from Alaska, Alberta, California, Nevada, and Oregon.
Similar Taxa
- Pteronarcys speciesLarger members of the same , often exceeding 50mm in body length, whereas Pteronarcella regularis is notably smaller.
More Details
Taxonomic history
Originally described as Pteronarcys regularis by Hagen in 1874, later transferred to the Pteronarcella.