South American Giant Diving Beetle vs Northern Flower Longhorn

Side-by-side species comparison

Attribute South American Giant Diving Beetle Northern Flower Longhorn
Scientific Name Megadytes ducalis Pachyta lamed
Order Coleoptera Coleoptera
Family Dytiscidae Cerambycidae
Size 35-45 mm 12-20 mm
Habitat Rivers & Streams Forests
Diet Omnivores Root Feeders
Regions Brazil, Amazon Basin Scandinavia, Russia, Siberia, northern Japan
Conservation Least Concern Least Concern

South American Giant Diving Beetle

One of the largest diving beetles in South America with a glossy dark olive body. It inhabits large rivers and lakes of the Amazon basin.

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Did You Know?

It is among the largest dytiscid beetles in the Western Hemisphere.

Northern Flower Longhorn

A robust flower longhorn with black elytra bearing variable yellow-orange markings, found in boreal and montane conifer forests. Larvae develop in roots of spruce and pine. Adults visit flowers in forest clearings during midsummer.

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Did You Know?

The species name lamed refers to the Hebrew letter, due to the L-shaped marking on each elytron.