Tube-Making Caddis vs White Miller Caddisfly

Side-by-side species comparison

Attribute Tube-Making Caddis White Miller Caddisfly
Scientific Name Psychomyia flavida Nectopsyche albida
Order Trichoptera Trichoptera
Family Psychomyiidae Leptoceridae
Size 5-8 mm 8-12 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Gall Makers Detritivores
Regions North America North America
Conservation Least Concern Least Concern

Tube-Making Caddis

A small caddisfly whose larvae build silken tubes cemented to rock surfaces in rivers. The tubes create a network of galleries on submerged stones.

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Did You Know?

Entire rock surfaces can be covered in a patchwork of silken tubes built by dense colonies.

White Miller Caddisfly

A small white caddisfly commonly found near lights along eastern North American waterways. Its delicate white wings make it easily recognizable.

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Did You Know?

White millers swarm around riverside lights in such numbers that they can create slippery hazards on bridges and roadways.