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Closeup insects from Miscellaneous

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Male Ephemerella invaria (Sulphur Dun) Mayfly DunMale Ephemerella invaria (Sulphur Dun) Mayfly Dun View 3 Pictures
Collected May 29, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Baetidae (Blue-Winged Olives) Mayfly DunFemale Baetidae (Blue-Winged Olives) Mayfly Dun View 3 Pictures
Collected May 22, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Leptophlebia cupida (Borcher Drake) Mayfly SpinnerFemale Leptophlebia cupida (Borcher Drake) Mayfly Spinner View 3 PicturesI'm not positive of the collection date on this one, so I'm guessing.
Collected May 20, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Siphlonurus quebecensis (Gray Drake) Mayfly NymphSiphlonurus quebecensis (Gray Drake) Mayfly Nymph View 3 Pictures
Collected May 18, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Ephemerella invaria (Sulphur Dun) Mayfly DunMale Ephemerella invaria (Sulphur Dun) Mayfly Dun View 3 Pictures
Collected May 22, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Baetidae (Blue-Winged Olives) Mayfly DunMale Baetidae (Blue-Winged Olives) Mayfly Dun View 4 PicturesThis ia a very tiny (hook size 22-24) dun. The pictures are terrible, but it's very fragile and it's one of the first adult mayflies I ever photographed.
Collected April 30, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Baetisca (Armored Mayflies) Mayfly NymphBaetisca (Armored Mayflies) Mayfly Nymph View 4 PicturesI'm unsure which species this is: it lacks the usual features of B. laurentina, but it's small, so maybe it's just an underdeveloped 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.). Otherwise, it looks like it might be B. obesa.
Collected January 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Ephemerella (Hendricksons, Sulphurs, PMDs) Mayfly NymphEphemerella (Hendricksons, Sulphurs, PMDs) Mayfly Nymph View 3 PicturesI confirmed with the microscope that this specimen has very 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.), strongly 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.), and a fan tail.
Collected March 10, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Ephemerella invaria (Sulphur Dun) Mayfly NymphEphemerella invaria (Sulphur Dun) Mayfly Nymph View 3 Pictures
Collected March 10, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Female Baetidae (Blue-Winged Olives) Mayfly DunFemale Baetidae (Blue-Winged Olives) Mayfly Dun View 3 Pictures
Collected May 22, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
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Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeHeptageniidaeEphemerella subvariaEphemerellaIsonychiaHydropsychidae
Top Gift Shop Designs
I outfish my daddy!Electric blue Hendrickson dun.I love buggers. Big, green, wooly ones.I outfish my husband!Be the trout.
Eat mayflies.
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Baetisca obesa Mayfly NymphCorydalus Hellgrammite LarvaRhyacophila fuscula Caddisfly LarvaPteronarcys biloba Stonefly NymphHydropsyche aenigma Caddisfly Adult
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Dalton Highway (Haul Road) Corridor Map