Little Black Caddis vs Ogasawara Damselfly

Side-by-side species comparison

Attribute Little Black Caddis Ogasawara Damselfly
Scientific Name Chimarra obscura Rhinocypha ogasawarensis
Order Trichoptera Odonata
Family Philopotamidae Chlorocyphidae
Size 6-9 mm 3-4 cm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Predators
Regions Eastern North America Japan
Conservation Least Concern Critically Endangered

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.

Ogasawara Damselfly

A striking damselfly endemic to the Bonin (Ogasawara) Islands of Japan. Males display iridescent blue wing patches during courtship.

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Did You Know?

The Ogasawara Islands are sometimes called the 'Galapagos of the Orient' for their unique endemic species.