Arctic Water Bug vs Glowspot Cockroach

Side-by-side species comparison

Attribute Arctic Water Bug Glowspot Cockroach
Scientific Name Arctocorisa carinata Lucihormetica subcincta
Order Hemiptera Blattodea
Family Corixidae Blaberidae
Size 5-8 mm 30-40mm
Habitat Tundra & Arctic Forests
Diet Detritivores Detritivores
Regions Arctic Scandinavia, Finland, northern Russia, Siberia, Arctic Canada South America
Conservation Least Concern Data Deficient

Arctic Water Bug

A small aquatic bug with a flattened body and oar-like hind legs for swimming. The back has fine transverse lines. It inhabits cold tundra ponds and lakes, swimming actively even in near-freezing water.

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Did You Know?

Males produce sound by rubbing their front legs against their head to attract females, making them among the loudest animals relative to body size.

Glowspot Cockroach

A large dark cockroach with two glowing yellow-green spots on its pronotum produced by bioluminescent bacteria. The glowing spots mimic the toxic click beetle's warning lights. It is a forest floor dweller.

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Did You Know?

Its glowing spots mimic toxic bioluminescent click beetles, making predators think it is dangerous to eat.