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 seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.
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Caddisfly Species Nectopsyche diarina (White Millers)
Where & when
This is an important species.In 60 records from GBIF, adults of this species have mostly been collected during July (33%), June (28%), August (23%), and September (12%).
In 50 records from GBIF, this species has been collected at elevations ranging from 797 to 11401 ft, with an average (median) of 5610 ft.
Species Range
Larva & pupa biology
Current speed: Fast
Substrate: Rocks
Environmental tolerance: Prefers clear water
Start a Discussion of Nectopsyche diarina
References
- LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.
Caddisfly Species Nectopsyche diarina (White Millers)
Species Range
Common Name
Resources
- NatureServe
- Integrated Taxonomic Information System
- Global Biodiversity Information Facility
- Described by Ross (1944)