Chrysomelid Leaf Beetle vs Common Aleocharine

Side-by-side species comparison

Attribute Chrysomelid Leaf Beetle Common Aleocharine
Scientific Name Chrysolina staphylaea Atheta coriaria
Order Coleoptera Coleoptera
Family Chrysomelidae Staphylinidae
Size 5-7 mm 3-4 mm
Habitat Farmland Underground
Diet Herbivores Predators
Regions Western Europe Holarctic, now distributed globally through commercial biocontrol
Conservation Least Concern Least Concern

Chrysomelid Leaf Beetle

A small, strongly convex beetle with dark reddish-brown to almost black coloration and a smooth, shiny surface. It is one of the commonest Chrysolina species in Western Europe.

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Did You Know?

It is one of the first beetles to become active in late winter, sometimes emerging in February when temperatures are still quite cold.

Common Aleocharine

A tiny, dark brown aleocharine rove beetle now commercially sold as a biological control agent. It is an aggressive predator of fungus gnat larvae, thrips, and shore fly larvae in greenhouses.

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Did You Know?

This beetle is sold commercially by biocontrol companies and released by the thousands in greenhouses to control fungus gnats organically.