Common Aleocharine vs Thorn Bug

Side-by-side species comparison

Attribute Common Aleocharine Thorn Bug
Scientific Name Atheta coriaria Umbonia crassicornis
Order Coleoptera Hemiptera
Family Staphylinidae Membracidae
Size 3-4 mm 10-12 mm
Habitat Underground Underground
Diet Predators Sap Feeders
Regions Holarctic, now distributed globally through commercial biocontrol Central America, South America, North America
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.

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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.

Thorn Bug

Extraordinary treehopper with a thorn-shaped pronotum that makes it look exactly like a plant thorn when sitting on a branch. Mothers guard eggs and nymphs aggressively.

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Did You Know?

Treehoppers have evolved the most bizarre body shapes of any insect — their enlarged pronotum can mimic thorns, helicopter blades, antlers, and even ant-like forms.