Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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Stonefly Species Kathroperla perdita (Sallflies)
This species is uncommonly collected except from wells. It is a hyporheic species living in the river gravels of river floodplains until it is ready to emerge.
The head shape is an important identifier.
The head shape is an important identifier.
Species Range
Specimens of the Stonefly Species Kathroperla perdita
1 Adult
1 Nymph
This species is uncommonly collected except from wells. It is a hyporheic species living in the river gravels of river floodplains until it is ready to emerge.
The head shape is an important identifier.
The head shape is an important identifier.
Start a Discussion of Kathroperla perdita
Stonefly Species Kathroperla perdita (Sallflies)
Species Range
Common Names
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Banks, N. (1920) New Neuropteroid Insects. Bulletin of the Museum of Comparative Zoology at Harvard College 64, 299–362, 7 pls.