Troutnut.com Fly Fishing for Trout Home
User Password
or register.
Scientific name search:

Ephemerella aurivillii Mayfly Nymph Pictures

 Examination of this specimen under a microscope revealed that it does have small 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.
)
, 2-banded femora (
The femur of this Isonychia bicolor mayfly spinner is highlighted in red.
The femur of this Isonychia bicolor mayfly spinner is highlighted in red.
Femur: The main segment of an insect's leg close to the body, in between the tibia and the trochanter.
)
, and banded tails.


This mayfly was collected from unknown on February 5th, 2004 and added to Troutnut.com on January 25th, 2006.

Shown Full Size
AddEmail
Ephemerella aurivillii Mayfly Nymph from unknown in Wisconsin
Shown Full Size
AddEmail
Ephemerella aurivillii Mayfly Nymph from unknown in Wisconsin
Shown Full Size
AddEmail
Ephemerella aurivillii Mayfly Nymph from unknown in Wisconsin

Start a Discussion of this Nymph:

You must log in at the top of the page to post. If you haven't registered yet, it's this easy:

Username:          Email:

Password:    Confirm Password:

I am at least 13 years old and agree to the rules.
Top 10 Fly Hatches
Top Gift Shop Designs
Top Insect Specimens
Miscellaneous Sites