Steel-blue Cricket Hunter vs Red-bellied Rove Beetle

Side-by-side species comparison

Attribute Steel-blue Cricket Hunter Red-bellied Rove Beetle
Scientific Name Chlorion aerarium Tasgius melanarius
Order Hymenoptera Coleoptera
Family Sphecidae Staphylinidae
Size 18-28 mm 15-20 mm
Habitat Deserts & Drylands Gardens
Diet Predators Predators
Regions North America Europe, introduced to North America and Australia
Conservation Least Concern Least Concern

Steel-blue Cricket Hunter

A large metallic blue wasp that hunts field crickets and mole crickets. It drags paralyzed prey into burrows to provision its nest cells.

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Did You Know?

It enters cricket burrows headfirst to sting and extract its prey from underground.

Red-bellied Rove Beetle

A large, shiny black rove beetle with a reddish-brown abdominal tip, found in synanthropic habitats across Europe. It is commonly encountered in gardens and urban areas where it hunts at night.

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Did You Know?

This beetle is one of the most synanthropic rove beetles, frequently entering houses and cellars where it is often mistaken for an earwig.