Dark-Horned Casemaker vs Little Black Caddis

Side-by-side species comparison

Attribute Dark-Horned Casemaker Little Black Caddis
Scientific Name Psilotreta labida Chimarra obscura
Order Trichoptera Trichoptera
Family Odontoceridae Philopotamidae
Size 10-14 mm 6-9 mm
Habitat Woodlands Rivers & Streams
Diet Detritivores Omnivores
Regions North America Eastern North America
Conservation Least Concern Least Concern

Dark-Horned Casemaker

A North American caddisfly building curved tubular cases from sand grains. Larvae are found in small shaded woodland streams.

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Did You Know?

Adults are entirely nocturnal and are rarely seen despite being locally common.

Little Black Caddis

A small, dark caddisfly that builds finger-shaped silk nets in stream crevices. It is widespread in warm-water streams across eastern North America.

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Did You Know?

Its silk capture tube is among the finest-meshed nets of any caddisfly, trapping microscopic food particles.