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Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insects with obvious wings: ¾ - 1 inch long > Caddisflies

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Caddisflies

Trichoptera order (numerous species)

Caddisflies

Jeff Hahn, University of Minnesota Extension

Caddisflies

Dave Hanson


Description: 1/16 - 1 1/2 inch long (most are between 1/4 - 1 inch long). Moth-like with wings folded tent-like over the body. Antennae are thin and as long as or longer than the body. Usually drab colored, especially brown or gray.

Where/When: Found near lakes, streams, and wetlands. Attracted to light and can be found around buildings.

Significance: Does not harm people or property.

More information on Caddisflies

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