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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.

Caddisfly Genus Hesperophylax (Silver Striped Sedges)

These are very large caddisflies, up to 1.3 inches long as adults.

Where & when

Time of year : emergence in summer, egg-laying in fall

Hatching behavior

Time of day : Nighttime

Prior to emergence the emergence gather on certain bolders, which concentrates their emergence into specific feeding lanes. They are just the sort of large insect that nocturnal trout like to eat.

Hesperophylax Fly Fishing Tips

LaFontaine notes in Caddisflies that the adults are worth imitating, and they make a good emergence, but he does not give specifics about their behavior.

Specimens of the Caddisfly Genus Hesperophylax

1 Female Adult

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References

Taxonomy
» Genus Hesperophylax (Silver Striped Sedges)
Species in Hesperophylax
Hesperophylax designatusSilver Striped Sedge11
5 species (Hesperophylax alaskensis, Hesperophylax consimilis, Hesperophylax magnus, Hesperophylax minutus, and Hesperophylax occidentalis) aren't included.
Genus Range
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