Japanese Giant Water Bug vs Three-Horned Treehopper

Side-by-side species comparison

Attribute Japanese Giant Water Bug Three-Horned Treehopper
Scientific Name Lethocerus deyrolli Ceresa taurina
Order Hemiptera Hemiptera
Family Belostomatidae Membracidae
Size 48-65 mm 8-10 mm
Habitat Ponds & Lakes Gardens
Diet Predators Fruit Feeders
Regions East Asia, Japan North America
Conservation Vulnerable Least Concern

Japanese Giant Water Bug

Known as 'ta-garame' in Japanese, this is one of Japan's largest aquatic insects. A fearsome ambush predator that can catch small fish and frogs. Has declined dramatically due to habitat loss.

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Did You Know?

Males of this species guard the eggs, which the female glues to emergent vegetation above water, by periodically climbing up to moisten them.

Three-Horned Treehopper

A green treehopper with three pointed pronotal horns giving it a distinctive crown-like silhouette. It is a minor pest of various ornamental and fruit trees in North America.

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Did You Know?

Females cut slits in bark to lay eggs, and these oviposition scars can damage young fruit tree branches, occasionally causing economic losses in nurseries.