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.

Stream photos

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Pycnopsyche guttifera (Great Autumn Brown Sedge) Caddisfly Larva Pycnopsyche guttifera (Great Autumn Brown Sedge) Caddisfly Larva

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington

This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.

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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.

Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Caddisfly Species Ceraclea wetzeli (Scaly-Wing Sedges)

This species was discovered in the first half of the 20th century by an a Pennsylvania angling author, Charles Wetzel, who was also the source of the Isonychia bicolor common name "White-Gloved Howdy." He sent a specimen to an entomologist who named the new species after him.

Where & when

Time of year : Late June

In 8 records from GBIF, adults of this species have been collected during June (75%) and July (25%).

In 2 records from GBIF, this species has been collected at elevations of 390 and 1138 ft.

Species Range

source

Map of specific collection sites

Start a Discussion of Ceraclea wetzeli

References

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.