Japanese Giant Stonefly vs Ectatomma Ant

Side-by-side species comparison

Attribute Japanese Giant Stonefly Ectatomma Ant
Scientific Name Oyamia lugubris Ectatomma tuberculatum
Order Plecoptera Hymenoptera
Family Perlidae Formicidae
Size 25-35 mm 8-12 mm
Habitat Mountains Forests
Diet Predators Predators
Regions Japan Central America, South America
Conservation Least Concern Least Concern

Japanese Giant Stonefly

A large predatory stonefly found in mountainous streams of Japan. Nymphs have powerful mandibles for capturing prey in swift currents.

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Did You Know?

It is an indicator of pristine water quality in Japanese mountain streams.

Ectatomma Ant

A large, heavily sculptured neotropical ant with a powerful sting and distinctive tuberculate body. It is a common ground-foraging predator in Central and South American forests.

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Did You Know?

Workers are used as biological control agents in cacao plantations where they prey on pest insects.