Thread-legged Bug vs Amazon Flat Ground Beetle

Side-by-side species comparison

Attribute Thread-legged Bug Amazon Flat Ground Beetle
Scientific Name Emesaya brevipennis Agra eowilsoni
Order Hemiptera Coleoptera
Family Reduviidae Carabidae
Size 30-37 mm 15-20 mm
Habitat Caves Forests
Diet Predators Predators
Regions North America Costa Rica, Panama
Conservation Least Concern Least Concern

Thread-legged Bug

An extremely slender assassin bug with stick-like legs that hunts in spider webs. It plucks web strands to lure spiders close enough to seize and consume them.

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Did You Know?

It invades spider webs and mimics trapped prey vibrations to lure the resident spider within striking distance.

Amazon Flat Ground Beetle

An extremely elongated, ant-like ground beetle from Central American rainforests. Its narrow body and long mandibles make it look unlike any typical ground beetle.

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Did You Know?

The genus Agra contains over 500 species of extraordinarily elongated tropical ground beetles, many described from single specimens and likely containing hundreds more undescribed species.