Grindstone Lake Wisconsin mayfly hatch

Dave_K has attached these 2 pictures to aid in identification. The message is below.

Dave_K	July 1st, 2008, 11:23 pm
Posts: 6	The mayflys in the attached photos hatch in great numbers for days, maybe weeks on Grindstone Lake near Hayward, Wisconsin. I'd like to know what kind they are, and any patterns recommended to match. Photos were taken June 25, 2008. Thanks, .....Dave
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GONZO	July 1st, 2008, 11:41 pm
"Bear Swamp," PA Posts: 1003	Dave, they are Brown Drakes (Ephemera simulans). The ones in the photos are male spinners. I'll let others suggest patterns for the adults. My favorite is a wiggle nymph pattern designed to imitate the slender burrowing nymphs as they swim toward the surface.

Wiflyfisher	July 2nd, 2008, 7:38 am
Wisconsin Posts: 264	I have great success during the Ephemera simulans hatch on the rivers by you using an extended-body comparadun dryfly. As Gonzo stated a wiggle nymph works the best imitating the emerging nymphs.
	John S. http://www.WiFlyFisher.com

Dave_K	July 2nd, 2008, 10:35 pm
Posts: 6	Thanks very much GONZO and Wiflyfisher. While I'm more likely to fish for walleye in 15 feet with a split shot and leech, I won't go back to Grindstone without a brown drake pattern. Dave K