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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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Lateral view of a Mystacides sepulchralis (Leptoceridae) (Black Dancer) Caddisfly Adult from the Bois Brule River in Wisconsin
I captured this small caddisfly from one of many dense mating swarms under overhanging alder trees in a slow stretch of the river. There were localized rises of trout under the swarms.
Litobrancha
Knoxville TN

Posts: 51
Litobrancha on Sep 23, 2006September 23rd, 2006, 4:52 pm EDT
mystacides. note the folded tent like posterior portion of the wings.
GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Sep 23, 2006September 23rd, 2006, 7:05 pm EDT
A "Black Dancer" for sure. LaFontaine says that the shiny black wing is indicative of sepulchralis. However, on the Lehigh River and Mud Run I have found shiny-winged specimens and dull-winged specimens in the same swarm. And sepulchralis is the only Mystacides species in the collecting record for Carbon and Monroe counties. Still, I'd say sepulchralis is a safe bet.
Troutnut
Troutnut's profile picture
Administrator
Bellevue, WA

Posts: 2758
Troutnut on Sep 24, 2006September 24th, 2006, 8:43 am EDT
You're right. I've got some much better Mystacides pictures lately with my new camera setup. I forgot I had one from the old site too.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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