Harris's Diving Beetle vs Cabbage Looper

Side-by-side species comparison

Attribute Harris's Diving Beetle Cabbage Looper
Scientific Name Dytiscus harrisii Trichoplusia ni
Order Coleoptera Lepidoptera
Family Dytiscidae Noctuidae
Size 33-40 mm 33-38 mm wingspan
Habitat Ponds & Lakes Farmland
Diet Omnivores Omnivores
Regions North America North America, Europe, Asia
Conservation Least Concern Not Evaluated

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.

Cabbage Looper

A pale green caterpillar that moves in a distinctive looping motion and feeds on brassica crops. The adult moth has a silvery figure-eight marking on each forewing.

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Did You Know?

It was the first insect to develop resistance to the biological insecticide Bacillus thuringiensis in greenhouse settings.