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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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Rhyacophila (Green Sedge) Caddisfly Larva Pictures

Dave Ruiter identified this specimen as part of the Rhyacophila betteni group, but with over 20 species it's difficult to narrow down beyond that.

Lateral view of a Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Ventral view of a Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington
Ruler view of a Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Mystery Creek #249 in Washington The smallest ruler marks are 1 mm.

This caddisfly was collected from Mystery Creek #249 in Washington on July 25th, 2019 and added to Troutnut.com by Troutnut on July 26th, 2019.

Discussions of this Larva

Rhyacophila betteni group
2 replies
Posted by Creno on Aug 8, 2019
Last reply on Aug 10, 2019 by Creno
This is one of the Rhyacophila betteni group. The R. betteni group consists of over 20 widespread, western species; common in small to medium, rocky trout streams.

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Rhyacophila (Green Sedge) Caddisfly Larva Pictures

Collection details
Location: Mystery Creek #249, Washington
Date: July 25th, 2019
Added to site: July 26th, 2019
Author: Troutnut
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