Kauai Flightless Stag Beetle vs Green Stonefly

Side-by-side species comparison

Attribute Kauai Flightless Stag Beetle Green Stonefly
Scientific Name Apterocyclus honoluluensis Alloperla caudata
Order Coleoptera Plecoptera
Family Lucanidae Chloroperlidae
Size 1.5-3 cm 8-12 mm
Habitat Mountains Mountains
Diet Herbivores Detritivores
Regions United States North America
Conservation Endangered Least Concern

Kauai Flightless Stag Beetle

A flightless stag beetle endemic to the island of Kauai in Hawaii. Larvae develop in rotting logs of native trees.

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Did You Know?

It is the only stag beetle in Hawaii and has completely lost its ability to fly.

Green Stonefly

A small bright green stonefly found along clean mountain streams in North America. Despite its small size, it is an important indicator of excellent water quality.

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Did You Know?

The presence of green stoneflies in a stream is considered strong evidence of pristine water quality by aquatic biologists.