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Arthropod Class Insecta (Insects)

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

Order in Insecta
ColeopteraBeetles	0	1
DipteraTrue Flies	0	9
EphemeropteraMayflies	0	67
HemipteraTrue Bugs	0	7
HymenopteraAnts, Bees, and Wasps	0	0
LepidopteraMoths	0	0
MegalopteraHellgrammites, Dobsonflies, and Alderflies	0	0
Odonata-AnisopteraDragonflies	0	0
Odonata-ZygopteraDamselflies	0	0
OrthopteraGrasshoppers and Crickets	0	0
PlecopteraStoneflies	0	6
Psocodea	0	0
TrichopteraCaddisflies	0	55

1 order isn't included.

Common Name

Match	Common Name
	Insects

Pictures Below ↓

This is page 112 of specimens of Insecta. Visit the main Insecta page for:

The behavior and habitat of Insecta.
114 underwater pictures of Insecta.

Pictures of 1229 Insect Specimens:

Specimen Page:1...111112113...124

Male Strophopteryx fasciata (Mottled Willowfly) Stonefly Adult

View 2 PicturesThis male died overnight before I had the chance to photograph him, so his abdomen is shorter than it should be because it shriveled a bit.

Collected March 16, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Chironomidae (Midges) Midge Larva

View 8 PicturesI don't see a lot of green Chironomidae larvae in my samples, so I photographed this one.

Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020

Plecoptera (Stoneflies) Stonefly Nymph

View 3 PicturesThis is a really small stonefly adult, about 3/8 of an inch body length.

Collected April 28, 2004 from the Namekagon River, below Lake Hayward in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006

Claassenia sabulosa (Golden Stone) Stonefly Nymph

View 2 PicturesThis is a stonefly that has recently molted and has not yet darkened.

Collected May 14, 2005 from the Jocko River in Montana
Added to Troutnut.com by Bnewell on June 28, 2011

Male Tricorythodes (Tricos) Mayfly Spinner

View 3 PicturesI collected these males about 9:30 AM, air temp. about 68 degrees F. The males were flying about 3 ft above the stream flying up and down the stream rather than the typical vertical swarm you see with most mayfly males. The males are black and the females are a green color due to the eggs they are carrying. They do not live very long which is typical for small bodied mayflies. They do not fly during windy conditions. I suspect these are Tricorythodes minutus.

Collected August 12, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on August 12, 2011

Formicidae (Ants) Ant Adult

View 2 PicturesThese are very large carpenter and a common terrestrial (Terrestrial: Insects which live on land and are fed on by trout only when they incidentally fall into the water are known as "terrestrials" to fly anglers, and they're very important in late summer.) insect along mountain trout streams

Collected June 6, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 26, 2011

Male Cinygmula par Mayfly Spinner

View 9 PicturesThis specimen was collected from a swarm with a female and another male.

Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020

Male Epeorus albertae (Pink Lady) Mayfly Spinner

View 2 Pictures

Collected June 29, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 29, 2011

Male Isoperla fulva (Yellow Sally) Stonefly Adult

View 2 PicturesThese Isoperla are loaded with red parasitic mites.

Collected June 6, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 26, 2011

Rhithrogena hageni (Western Black Quill) Mayfly Nymph

View 9 PicturesI'm basing the ID of this near-mature nymph on a male spinner with similar size and markings, collected on the same trip. There isn't a key to reliably identify the nymphs of most Rhithrogena species otherwise.

Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020

Specimen Page:1...111112113...124

Jargon Defined:

Abdomen: The rear and usually the longest (ten-segmented in mayflies) portion of an insect's body, to which the tails are attached.

Larvae: Many classes of aquatic insects, such as caddisflies, midges, craneflies, dobsonflies, alderflies, and many more, are known as "larvae" rather than "nymphs" in their juvenile stages. They have mostly soft bodies rather than hard exoskeletons. These insects also advance through a "pupa" stage before reaching adulthood.

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).

Spinner: There are two winged stages of adult mayflies. They emerge from the water as duns, molt on land (usually) into their fully mature stage, spinners. As spinners, they mate, lay eggs, and die.

Terrestrial: Insects which live on land and are fed on by trout only when they incidentally fall into the water are known as "terrestrials" to fly anglers, and they're very important in late summer.