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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.
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.

Dorsal view of a Psephenus (Psephenidae) (Water Penny) Beetle Larva from Cascadilla Creek in New York
Okeydokey01
Posts: 2
Okeydokey01 on Apr 29, 2008April 29th, 2008, 1:34 am EDT
what do the water pennies eat?
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Apr 29, 2008April 29th, 2008, 12:47 pm EDT
OD-

Water penny beetle larvae feed on periphyton, a complex mixture of algae, cyanobacteria, heterotrophic microbes, and detritus coating the rocks to which they attach themselves. The adults are not aquatic.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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