Neotropical Toe-Biter vs Pasimachus Flat Ground Beetle

Side-by-side species comparison

Attribute Neotropical Toe-Biter Pasimachus Flat Ground Beetle
Scientific Name Belostoma elongatum Pasimachus depressus
Order Hemiptera Coleoptera
Family Belostomatidae Carabidae
Size 40-55 mm 22-30 mm
Habitat Ponds & Lakes Deserts & Drylands
Diet Predators Predators
Regions Brazil, Argentina, Uruguay, Paraguay Southeastern United States
Conservation Least Concern Least Concern

Neotropical Toe-Biter

A large aquatic predatory bug with flattened body and powerful raptorial forelegs. It is common in South American freshwater habitats.

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Did You Know?

It breathes through a retractable siphon at its rear, hanging just below the water surface like a snorkel.

Pasimachus Flat Ground Beetle

A large, broad, flattened shiny black beetle with massive mandibles and distinctive blue-margined elytra. It is one of the most imposing ground beetles in North America.

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Did You Know?

Its immensely powerful mandibles can easily pierce through the tough exoskeleton of other beetles, and it has been observed killing and eating June bugs and other scarabs.