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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Female Hydropsyche (Spotted Sedge) Caddisfly Adult Female Hydropsyche (Spotted Sedge) Caddisfly Adult

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from the Columbia River in Washington

7 Recently Added Photos

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 Family Apataniidae (Early Smoky Wing Sedges)

This family contains one sometimes important genus, Apatania.

Taxonomic History

All of the genera in this family were until somewhat recently classified in Limnephilidae.

Where & when

In 299 records from GBIF, adults of this family have mostly been collected during July (29%), August (21%), June (19%), September (15%), and May (6%).

In 266 records from GBIF, this family has been collected at elevations ranging from -164 to 12657 ft, with an average (median) of 789 ft.

Family Range

source

Map of specific collection sites

Specimens of the Caddisfly Family Apataniidae

2 Adults

Apatania (Early Smoky Wing Sedge) Caddisfly Adult

7 Pictures

An adult caddisfly. Closeup of a hairy aquatic insect adult

Lateral view of a Apatania (Apataniidae) (Early Smoky Wing Sedge) Caddisfly Adult from the West Branch of the Delaware River in New York

This one actually had a medium tan body when it emerged. By the time I took the picture it was dark as night. I was actually looking through my box of specimens trying to figure out where that tan one I caught disappeared to. Then I realized this is it.

Collected May 14, 2007 from the West Branch of the Delaware River in New York

Added by Troutnut on May 18, 2007

Collected May 14, 2007 from the West Branch of the Delaware River in New York and added by Troutnut on May 18, 2007

Apatania (Early Smoky Wing Sedge) Caddisfly Adult

8 Pictures