Japanese Giant Water Bug vs Slaty Skimmer

Side-by-side species comparison

Attribute Japanese Giant Water Bug Slaty Skimmer
Scientific Name Lethocerus deyrolli Libellula incesta
Order Hemiptera Odonata
Family Belostomatidae Libellulidae
Size 48-65 mm 45-52 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Predators Omnivores
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.

Slaty Skimmer

A dark, slate-blue dragonfly of eastern North America. Mature males are uniformly dark blue-black, making them distinctive at ponds.

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Did You Know?

It is one of the few North American dragonflies where males are almost entirely dark blue-black.