Harris's Diving Beetle vs Emerald Cockroach

Side-by-side species comparison

Attribute Harris's Diving Beetle Emerald Cockroach
Scientific Name Dytiscus harrisii Pseudoglomeris magnifica
Order Coleoptera Blattodea
Family Dytiscidae Blaberidae
Size 33-40 mm 20-25mm
Habitat Ponds & Lakes Forests
Diet Omnivores Omnivores
Regions North America Asia
Conservation Least Concern Data Deficient

Harris's Diving Beetle

A large North American diving beetle found in cold, clear lakes and bog ponds. It is one of the largest diving beetles on the continent.

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Did You Know?

It can remain submerged for extended periods by trapping air under its elytra, which it uses like an external lung.

Emerald Cockroach

A stunning cockroach with brilliant metallic emerald-green coloring. It is one of the most beautiful cockroach species in the world. It rolls into a ball like a pill bug when threatened.

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Did You Know?

It can curl into a perfect ball like an armadillo, and its emerald green sheen rivals the beauty of any jewel beetle.