Little Black Caddis vs White Witch Moth

Side-by-side species comparison

Attribute Little Black Caddis White Witch Moth
Scientific Name Chimarra obscura Thysania agrippina
Order Trichoptera Lepidoptera
Family Philopotamidae Erebidae
Size 6-9 mm 250-310 mm wingspan
Habitat Rivers & Streams Forests
Diet Omnivores Omnivores
Regions Eastern North America Central America, South America
Conservation Least Concern Least Concern

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.

White Witch Moth

Holds the record for the widest wingspan of any moth or butterfly at up to 310 mm. A nocturnal neotropical species with pale grey-white wings and wavy dark markings.

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Did You Know?

With a wingspan up to 31 cm, the white witch moth has the widest wingspan of any living insect — broader than a dinner plate and rivaling small birds in flight.