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 seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
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Caddisfly Species Nectopsyche exquisita (White Millers)
Where & when
Preferred waters: Rivers and lakes
In 94 records from GBIF, adults of this species have mostly been collected during June (31%), July (31%), August (23%), and May (9%).
In 10 records from GBIF, this species has been collected at elevations ranging from 390 to 4921 ft, with an average (median) of 1050 ft.
Species Range
Start a Discussion of Nectopsyche exquisita
References
- LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.
Caddisfly Species Nectopsyche exquisita (White Millers)
Species Range
Common Name
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Walker (1852)