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Blue-winged Olives

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.

Eurylophella (Chocolate Duns) Mayfly Nymph Pictures

This nymph is an extremely early instar.

This mayfly was collected from unknown in Wisconsin on February 7th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Nymph

hook size (and chocolate duns, and old-timey mayfly family classifications)
10 replies
Posted by Warren on Apr 12, 2007
Last reply on Apr 13, 2007 by Quillgordon
thats about a size 32 right. i dont think i have any tippet that small

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