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Ephemerella needhami (Little Dark Hendrickson) Mayfly Nymph Pictures



 This specimen strikingly resembles another specimen from about 1300 miles away in the Catskills, which I tentatively called Ephemerella aurivillii. This one has much more prominent abdominal tubercles (
A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled.  They are especially large in this species.
A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled. They are especially large in this species.
Tubercle: Various peculiar little bumps or projections on an insect. Their character is important for the identification of many kinds of insects, such as the nymphs of Ephemerellidae mayflies.
)
. It may be that they're both the same species and I don't have my identifications straight.


This mayfly was collected from the Long Lake Branch of the White River on June 5th, 2005 and added to Troutnut.com on May 24th, 2006.


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