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Penelomax septentrionalis Mayfly Nymph Pictures

 This is surely the most distinctive-looking species in Ephemerellidae. I like the rugged, spindly look. If mayflies made movies, Penelomax septentrionalis would probably play the supervillain.

Maybe I should take a break and get something to eat.

This mayfly was collected from the Delaware River on May 13th, 2007 and added to on May 18th, 2007.

Recent Discussions of this Nymph

Great Photos 2 Replies »
Posted by Earlfishman on May 19, 2007
Last reply on May 19, 2007 by Troutnut

The underwater photos are unreal. What sort of lens are you using on that camera? It is just now occuring to me to ask how many of your pictures on this site are taken through a scope and how many are taken with just a camera?


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