Desert Blister Beetle vs Common Aleocharine

Side-by-side species comparison

Attribute Desert Blister Beetle Common Aleocharine
Scientific Name Epicauta puncticollis Atheta coriaria
Order Coleoptera Coleoptera
Family Meloidae Staphylinidae
Size 10-18 mm 3-4 mm
Habitat Meadows Underground
Diet Herbivores Predators
Regions North America Holarctic, now distributed globally through commercial biocontrol
Conservation Least Concern Least Concern

Desert Blister Beetle

A soft-bodied beetle that produces cantharidin, a blistering toxin, in its hemolymph. It feeds on desert wildflowers after seasonal rains.

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Did You Know?

Its larvae are parasites that consume grasshopper eggs buried in desert soil.

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.