Arthropod Class Insecta (Insects)
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This is page 70 of specimens of Insecta. Visit the main Insecta page for:
- The behavior and habitat of Insecta.
- 112 underwater pictures of Insecta.
- 64 streamside pictures of Insecta.
720 Insect Specimens:
Maccaffertium (March Browns and Cahills) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 13, 2004
Added Jan 25, 2006
Maccaffertium (March Browns and Cahills) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 13, 2004
Added Jan 25, 2006
Maccaffertium (March Browns and Cahills) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 14, 2004
Added Jan 25, 2006
Maccaffertium (March Browns and Cahills) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 14, 2004
Added Jan 25, 2006
Hydropsychidae Caddisfly Larva
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Mar 9, 2004
Added Jan 25, 2006
Phryganeidae Caddisfly Larva
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Mar 10, 2004
Added Jan 19, 2006
Eurylophella (Chocolate Duns) Mayfly Nymph
View 4 PicturesClose examination under a microscope easily showed abdominal 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.).
View 4 PicturesClose examination under a microscope easily showed abdominal tubercles (
View Full SizeA few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled. They are especially large in this species.
Region: Upper Midwest
Collected Jan 31, 2004
Added Jan 25, 2006
Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Nymph
View 2 PicturesClose examination of this specimen under a microscope reveals that it has small rounded 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.) on the tergites (Tergite: The top (dorsal) part of a single segment on an insect's abdomen.) 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.
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.
Region: Upper Midwest
Collected Jan 31, 2004
Added Jan 25, 2006
Ephemerella invaria (Sulphur) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 13, 2004
Added Jan 25, 2006
Ephemerella invaria (Sulphur) Mayfly Nymph
View 2 Pictures
View 2 PicturesRegion: Upper Midwest
Collected Jan 13, 2004
Added Jan 25, 2006
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