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Closeup insects from Miscellaneous

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Ephemerella aurivillii Mayfly NymphEphemerella aurivillii Mayfly Nymph View 3 Pictures
Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Caenis (Angler's Curses) Mayfly NymphCaenis (Angler's Curses) Mayfly Nymph View 2 PicturesI confirmed the identity of this nymph by looking at it under a microscope to be certain of the shape of its gills and head.
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Caenis (Angler's Curses) Mayfly NymphCaenis (Angler's Curses) Mayfly Nymph View 3 PicturesI confirmed the identity of this nymph by looking at it under a microscope to be certain of the shape of its gills and head.
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Gomphidae Dragonfly NymphGomphidae Dragonfly Nymph View 3 Pictures
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Caenis (Angler's Curses) Mayfly NymphCaenis (Angler's Curses) Mayfly Nymph View 2 PicturesI confirmed the identity of this nymph by looking at it under a microscope to be certain of the shape of its gills and head.
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly NymphEphemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Nymph View 2 PicturesClose examination of this specimen under a microscope reveals that it has small rounded 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.) on the tergites (
One tergite of this Isonychia bicolor mayfly spinner is highlighted in red.
One tergite of this Isonychia bicolor mayfly spinner is highlighted in red.
Tergite: The top (dorsal) part of a single segment on an insect's abdomen when it consists of a single chitinous plate (sclerite), or an individual sclerite if the segment has more than one.) and the tails are uniformly covered with short black hairs. Looking at this specimen a while later, my early observations were probably not relevant because it was such as 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.) mayfly that its identifying characteristics were not fully developed.
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Limnephilus (Summer Flier Sedges) Caddisfly LarvaLimnephilus (Summer Flier Sedges) Caddisfly Larva View 2 Pictures
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Limnephilidae (Northern Caddisflies) Caddisfly LarvaLimnephilidae (Northern Caddisflies) Caddisfly Larva View 2 Pictures
Collected January 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Limnophila True Fly LarvaLimnophila True Fly Larva View 2 Pictures
Collected February 2, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Corydalidae (Hellgrammites) Hellgrammite LarvaCorydalidae (Hellgrammites) Insect Larva View 2 PicturesI believe this is a verr young hellgrammite that just hasn't darkened to its regular color yet, but I'm not sure.
Collected February 2, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
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