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Ephemerella needhami (Little Dark Hendrickson) Mayfly Nymph Pictures

Classification
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)
» Genus Ephemerella (Hendricksons, Sulphurs, PMDs)
» Species needhami (Little Dark Hendrickson)
 This specimen was collected together with a darker one of the same species.

This mayfly was collected from the Catskills on April 19th, 2006 and added to Troutnut.com on April 21st, 2006.

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The whorls of spines around the tail segments on this nymph had me thinking it was in the closely related Serratella genus for a while, but this close-up picture reveals the web of fine setae that sets the Ephemerella genus apart.
The whorls of spines around the tail segments on this nymph had me thinking it was in the closely related Serratella genus for a while, but this close-up picture reveals the web of fine setae (Seta: Little hairs on insects.) that sets the Ephemerella genus apart.
CameraCanon EOS 20D
View Full SizeView Full Size (2.7X larger)
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CameraCanon EOS 20D
View Full SizeView Full Size (2.7X larger)
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CameraCanon EOS 20D
View Full SizeView Full Size (2.7X larger)
AddEmail
CameraCanon EOS 20D

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