Reed Beetle vs Neotropical Toe-Biter

Side-by-side species comparison

Attribute Reed Beetle Neotropical Toe-Biter
Scientific Name Donacia crassipes Belostoma elongatum
Order Coleoptera Hemiptera
Family Chrysomelidae Belostomatidae
Size 9-12 mm 40-55 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Root Feeders Predators
Regions Europe, Western Asia Brazil, Argentina, Uruguay, Paraguay
Conservation Least Concern Least Concern

Reed Beetle

A striking aquatic leaf beetle with metallic golden-green to coppery elytra and elongated hind legs. It is one of the largest European Donacia species, found on waterlily pads.

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Did You Know?

Larvae live entirely underwater, tapping into plant roots for both food and oxygen, using specialized spiracles to breathe air from root aerenchyma.

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.