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Animal Kingdom Animalia (Animals)

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

Phylum in Animalia
AnnelidaWorms and Leeches	0	2
ArthropodaArthropods	0	122
ChordataVertebrates	0	4
Mollusca	0	6
PlatyhelminthesFlatworms	0	0

Common Name

Match	Common Name
	Animals

Pictures Below ↓

This is page 42 of specimens of Animalia. Visit the main Animalia page for:

The behavior and habitat of Animalia.
131 underwater pictures of Animalia.

Pictures of 1264 Animal Specimens:

Specimen Page:1...414243...128

Notonectidae (Backswimmers) Backswimmer Adult

Notonectidae (Backswimmers) True Bug Adult

View 4 Pictures

Collected May 18, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Leptophlebia cupida (Borcher Drake) Mayfly Nymph

View 3 Pictures

Collected February 5, 2004 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Isonychia bicolor (Mahogany Dun) Mayfly Nymph

View 3 Pictures

Collected March 13, 2005 from Cascadilla Creek in New York
Added to Troutnut.com by Troutnut on April 5, 2006

Baetidae (Blue-Winged Olives) Mayfly Nymph

View 3 PicturesThis Baetid nymph has no tracheation on its gills, no distinct bands on its tails, and a rounded, oval 7th gill. Abdominal segments 5, 9, and 10 are pale.

Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Baetisca laurentina (Armored Mayfly) Mayfly Nymph

View 3 Pictures

Collected February 7, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Ephemerella subvaria (Hendrickson) Mayfly Nymph

View 3 PicturesHere's another nymph with strange markings subvaria. I suspect it's the same species and it's just wide individual variation.

Collected February 7, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Eurylophella (Chocolate Duns) Mayfly Nymph

View 3 Pictures

Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Culicidae (Mosquitoes) Mosquito Pupa

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Collected May 10, 2008 from the Chena River in Alaska
Added to Troutnut.com by Troutnut on April 20, 2011

Ephemerella aurivillii Mayfly Nymph

View 3 PicturesExamination 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.

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.

Femur: The main segment of an insect's leg close to the body, in between the tibia and the trochanter.), and banded tails.

Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Ephemerella aurivillii Mayfly Nymph

View 3 Pictures

Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Specimen Page:1...414243...128

Jargon Defined:

The femur of this Isonychia bicolor mayfly spinner is highlighted in red.

Femora: The main segment of an insect's leg close to the body, in between the tibia and the trochanter.

Nymph: The juvenile, underwater stages of mayflies, stoneflies, dragonflies, and damselflies and other aquatic insects whose juvenile stages are covered by hard exoskeletons. The word can also refer to the fishing flies which imitate these creatures, in which case it is used as a blanket term for flies imitating any underwater stage of an invertebrate (except for crayfish and leeches).

A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled. They are especially large in this species.

Tubercles: 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.