White Miller Caddisfly vs Apple Caddis

Side-by-side species comparison

Attribute White Miller Caddisfly Apple Caddis
Scientific Name Nectopsyche albida Brachycentrus appalachia
Order Trichoptera Trichoptera
Family Leptoceridae Brachycentridae
Size 8-12 mm 8-12 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Detritivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

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.

Apple Caddis

A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.

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Did You Know?

The square cross-section of the case is thought to reduce drag in fast currents.