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Photo#256762
Mayfly larva - Ephemerella invaria

Mayfly larva - Ephemerella invaria
Townsend, Middlesex County, Massachusetts, USA
March 5, 2009
Size: 4mm
Found on the underside of a submerged rock in Willard Brook.

Images of this individual: tag all
Mayfly larva - Ephemerella invaria Mayfly larva - Ephemerella invaria

Moved

Ephemerella invaria
Couldn't see the spines on the tergites in the photo, but are distinct when I have the specimen in hand. So, identification changed.

Thanks Don
This must be a young one.

Moved
Moved from Stream Mayflies.

 
Ephemerella dorothea
looks like - again a small one.

Not Heptageniidae
Body seems abit too streamlined and cylindrical (Most Heptageniids are flattened dorsoventrally)..might be something from Ephemerellidae

 
yup, Ephemerellidae
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