Cascades Stonefly vs Fijian Cave Swiftlet Dragonfly

Side-by-side species comparison

Attribute Cascades Stonefly Fijian Cave Swiftlet Dragonfly
Scientific Name Doroneuria theodora Nesobasis erythrops
Order Plecoptera Odonata
Family Perlidae Coenagrionidae
Size 22-30 mm 3-4 cm
Habitat Rivers & Streams Forests
Diet Predators Predators
Regions North America Fiji
Conservation Least Concern Endangered

Cascades Stonefly

A large predatory stonefly endemic to Cascade Range streams. Nymphs inhabit cold boulder-strewn torrents at moderate elevations.

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Did You Know?

Adults drum their abdomens on streamside surfaces to communicate with potential mates.

Fijian Cave Swiftlet Dragonfly

An endemic Fijian damselfly found along shaded forest streams on Viti Levu. Males have distinctive red eyes and metallic green bodies.

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Did You Know?

Fiji has over 20 endemic Nesobasis damselfly species, one of the richest island damselfly radiations.