Arctic Caddisfly vs White Miller Caddisfly

Side-by-side species comparison

Attribute Arctic Caddisfly White Miller Caddisfly
Scientific Name Apatania zonella Nectopsyche albida
Order Trichoptera Trichoptera
Family Apataniidae Leptoceridae
Size 6-9 mm 8-12 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Omnivores Detritivores
Regions Arctic Scandinavia, Iceland, Greenland, Svalbard, Arctic Canada North America
Conservation Least Concern Least Concern

Arctic Caddisfly

A small, hairy-winged caddisfly with dark brown wings held tent-like over the body. Larvae build portable cases from sand grains and small stones. It is one of the most northerly distributed caddisflies in the world.

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Did You Know?

Some Arctic populations of this caddisfly reproduce by parthenogenesis, with females producing offspring without mating.

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.