Sierraperla
Jewett, 1954
giant roachfly
Species Guides
1- Sierraperla cora(Giant Roachfly)
Sierraperla is a of stoneflies in the Peltoperlidae, commonly called "roach-like stoneflies" or "giant roachflies." The genus was established by Jewett in 1954 and contains at least two described : S. cora and S. tolowa. These insects are part of the suborder and are native to western North America.
Pronunciation
How to pronounce Sierraperla: //siˌɛrəˈpɜːlə//
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Identification
Members of Sierraperla can be distinguished from other Peltoperlidae by their roach-like body form, with a flattened, broad shape. The is distinguished from related genera primarily through genitalic characters and subtle differences in wing venation. S. cora is notably larger than S. tolowa, which was described in 2015 from smaller specimens.
Images
Distribution
Western North America: California, Nevada, and Oregon.
Similar Taxa
- PeltoperlaBoth are in the Peltoperlinae and share the roach-like body form; distinguished by genitalic and geographic distribution.
- YoraperlaAnother western North American peltoperlid with similar flattened body shape; separated by wing venation and male genitalia structure.