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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Furcatergalia » Pronggilled Mayflies (Leptophlebiidae) » Leptophlebia » Leptophlebia intermedia
Photo#46193
aquatic nymph - Leptophlebia intermedia
Copyright © 2006 tom murray

aquatic nymph - Leptophlebia intermedia
Bethlehem, Coos County, New Hampshire, USA
March 28, 2006
Size: 12.5mm
Found under a rock in a pool of water near a river.
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Contributed by tom murray on 29 March, 2006 - 11:44pm
Last updated 31 March, 2006 - 4:39pm

Leptophlebia intermedia
It looks like and is the correct size for a Leptophlebia, and with the distinct band near the apex of the femora it is most likely Leptophlebia intermedia. they should be emerging about now, about a month early due to this warm weather.
… Donald S. Chandler, 31 March, 2006 - 3:31pm login or register to post comments

 
WOW!!!
Identified right down to species. Thanks Don.
… tom murray, 31 March, 2006 - 4:44pm login or register to post comments

Gills?
Are those winglike things beside the abdomen gills?
… Peter Hollinger, 30 March, 2006 - 6:40am login or register to post comments

 
Mayfly nymph
They are, indeed, gills. The mayflies (Ephemeroptera) have these external abdominal gills. You can also see the remains of the three 'tails' off of the tip of the abdomen. It is not uncommon for them to break off. This is a very diverse order; a variety for just about every freshwater niche.
… Kurt Mead, 30 March, 2006 - 8:17am login or register to post comments

 
Thanks Kurt
This is the first mayfly nymph I've seen, and those gills and red eyes looked really odd.
… tom murray, 30 March, 2006 - 6:02pm login or register to post comments

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