Here's a puzzling nymph. It seemed to have double-banded tibiae (Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.), although the second band wasn't very pronounced. It has quite prominent tubercles (
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.) that definitely aren't black.
A few (not all) of the abdominal tubercles on this Ephemerella needhami
nymph are circled. They are especially large in this species.
This mayfly was collected from unknown on March 10th, 2004 and added to Troutnut.com on January 19th, 2006.
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