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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
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.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Caddisfly Family Rhyacophilidae (Green Sedges)

See Rhyacophila for details. It is an extremely important trout stream genus, containing well over 100 American species.

The other genus, Himalopsyche, contains only one relatively unimportant American species.

Where & when

In 1217 records from GBIF, adults of this family have mostly been collected during June (24%), July (21%), May (18%), August (17%), September (7%), and April (6%).

In 610 records from GBIF, this family has been collected at elevations ranging from 10 to 23622 ft, with an average (median) of 3652 ft.

Family Range

Identification

To further identify a specimen of Rhyacophilidae to the genus level, use the Key to Genera of Rhyacophilidae Adults.

Specimens of the Caddisfly Family Rhyacophilidae

1 Adult
3 Pupae
9 Larvae

Start a Discussion of Rhyacophilidae

References

Caddisfly Family Rhyacophilidae (Green Sedges)

Taxonomy
Genus in Rhyacophilidae: Himalopsyche, Rhyacophila
Family Range
Common Name
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