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Closeup insects from Miscellaneous

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Ephemerella (Hendricksons, Sulphurs, PMDs) Mayfly NymphEphemerella (Hendricksons, Sulphurs, PMDs) Mayfly Nymph View 2 PicturesHere's a puzzling nymph. It seemed to have double-banded tibiae (
The tibia of this Isonychia bicolor mayfly spinner is highlighted in red.
The tibia of this Isonychia bicolor mayfly spinner is highlighted in red.
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 (
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.
)
that definitely aren't black.
Collected March 10, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Female Maccaffertium modestum (Cream Cahill) Mayfly SpinnerFemale Maccaffertium modestum (Cream Cahill) Mayfly Spinner View 3 PicturesThis one was collected in in association with this male. It looks quite different, but that's often the case between spinner genders.
Collected August 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Ephemera simulans (Brown Drake) Mayfly NymphEphemera simulans (Brown Drake) Mayfly Nymph View 2 PicturesHere's an unusually small early instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.) nymph.
Collected March 1, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Ephemerella invaria (Sulphur Dun) Mayfly NymphEphemerella invaria (Sulphur Dun) Mayfly Nymph View 3 PicturesI confirmed with the microscope that this nymph has small 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.
)
, single-banded tibiae (
The tibia of this Isonychia bicolor mayfly spinner is highlighted in red.
The tibia of this Isonychia bicolor mayfly spinner is highlighted in red.
Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.
)
, and a fan tail.
Collected March 10, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
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