Animal Phylum Arthropoda (Arthropods)

Mayflies Caddisflies Stoneflies

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Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

Class in Arthropoda
ArachnidaMites and Spiders	2	9
Crustacea-MalacostracaCrayfish, Scuds, and Sowbugs	8	39
InsectaInsects	713	3733

Common Name

Match	Common Name
	Arthropods

This is page 74 of specimens of Arthropoda. Visit the main Arthropoda page for:

• The behavior and habitat of Arthropoda.
• 120 underwater pictures of Arthropoda.
• 67 streamside pictures of Arthropoda.

730 Arthropod Specimens:

Specimen Page:1...71727374

Hydropsychidae Caddisfly LarvaView 2 Pictures

Region: Upper Midwest

Collected Feb 5, 2004

Added Jan 25, 2006

Eurylophella (Chocolate Duns) Mayfly NymphView 5 Pictures

Region: Upper Midwest

Collected Jan 31, 2004

Added Jan 25, 2006

Ephemerella invaria (Sulphur) Mayfly NymphView 2 Pictures

Region: Upper Midwest

Collected Jan 13, 2004

Added Jan 25, 2006

Ephemerella invaria (Sulphur) Mayfly NymphView 4 Pictures

Region: Upper Midwest

Collected Jan 31, 2004

Added Jan 25, 2006

Eurylophella (Chocolate Duns) Mayfly NymphView 4 PicturesClose examination under a microscope easily showed abdominal tubercles (

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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.).

Region: Upper Midwest

Collected Jan 31, 2004

Added Jan 25, 2006

Ephemerella invaria (Sulphur) Mayfly NymphView 3 Pictures

Region: Upper Midwest

Collected Jan 13, 2004

Added Jan 25, 2006

Specimen Page:1...71727374