**Caddisfly Species Lype diversa (Dark Eastern Woodland Sedge)**

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Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Trichoptera (Caddisflies)

» Family Psychomyiidae

» Genus Lype (Dark Eastern Woodland Sedges)

» Species diversa (Dark Eastern Woodland Sedge)

Common Name

Match	Common Name
	Dark Eastern Woodland Sedge

Where & When

Regions: East, Midwest
Time Of Year (?): May through July
Preferred Waters: Small woodland streams

This species is common in the Midwest and present throughout the East.

Egg-Laying Behavior

Time Of Day: Afternoon or evening

Larva & Pupa Biology

Gary LaFontaine describes the unusual shelters built by these larvae in Caddisflies:

The larva builds a retreat, or dwelling tube, by raising a simple roof or a groove in a sunken piece of wood. The tube is camouflaged with pieces of detritus (Detritus: Small, loose pieces of decaying organic matter underwater.) and a layer of silk.

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Jargon Defined:

Detritus: Small, loose pieces of decaying organic matter underwater.

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.

Useful References:

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Swisher, Doug and Carl Richards. 2000. Selective Trout. The Lyons Press.

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Hexagenia limbata