Passalid Beetle vs Peruvian Mantidfly

Side-by-side species comparison

Attribute Passalid Beetle Peruvian Mantidfly
Scientific Name Pharochilus dilatatus Anchieta fumosella
Order Coleoptera Neuroptera
Family Passalidae Mantispidae
Size 25-35 mm 16-22 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Omnivores
Regions Australia Peru, Bolivia, South America
Conservation Least Concern Least Concern

Passalid Beetle

A large, glossy black beetle that lives in family groups inside rotting logs. Adults and larvae communicate using squeaking sounds produced by rubbing body parts together.

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Did You Know?

Parents chew wood into pulp to feed their young, making them one of few beetles with true parental care.

Peruvian Mantidfly

A South American mantidfly found in Andean cloud forests and tropical lowlands. A secretive species rarely encountered by collectors.

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Did You Know?

It is among the least studied mantidflies due to its rarity in collections and remote habitat.