Common Aleocharine vs Arboreal Ground Beetle

Side-by-side species comparison

Attribute Common Aleocharine Arboreal Ground Beetle
Scientific Name Atheta coriaria Dromius quadrimaculatus
Order Coleoptera Coleoptera
Family Staphylinidae Carabidae
Size 3-4 mm 5-7 mm
Habitat Underground Woodlands
Diet Predators Wood Feeders
Regions Holarctic, now distributed globally through commercial biocontrol Europe, western Asia
Conservation Least Concern Least Concern

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.

💡

Did You Know?

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

Arboreal Ground Beetle

A small, flattened ground beetle that lives primarily on trees rather than on the ground. It has a dark brown body with four pale spots on its elytra and hides under bark.

💡

Did You Know?

Unlike most ground beetles, it spends its entire life on trees and is rarely found on the ground, challenging the common name of the family.