Agabus Arctic Diving Beetle vs Saddleback Caterpillar Moth

Side-by-side species comparison

Attribute Agabus Arctic Diving Beetle Saddleback Caterpillar Moth
Scientific Name Agabus arcticus Acharia stimulea
Order Coleoptera Lepidoptera
Family Dytiscidae Limacodidae
Size 8-10 mm 26-35 mm wingspan
Habitat Tundra & Arctic Orchards
Diet Omnivores Omnivores
Regions Scandinavia, Northern Russia, Northern Canada, Alaska Eastern North America
Conservation Least Concern Least Concern

Agabus Arctic Diving Beetle

A cold-adapted diving beetle found in northern and alpine regions across the Holarctic. It thrives in frigid mountain streams and arctic tundra pools.

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Did You Know?

It can remain active in near-freezing water temperatures that would immobilize most other aquatic insects.

Saddleback Caterpillar Moth

A dark brown moth best known for its extraordinary caterpillar, which is bright green with a brown saddle-shaped marking and venomous spines. The sting causes intense burning pain.

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Did You Know?

Its sting is among the most painful of any North American caterpillar and can cause nausea in sensitive individuals.