Swallow Prominent vs Common Aleocharine

Side-by-side species comparison

Attribute Swallow Prominent Common Aleocharine
Scientific Name Pheosia tremula Atheta coriaria
Order Lepidoptera Coleoptera
Family Notodontidae Staphylinidae
Size Wingspan 44-60mm 3-4 mm
Habitat Underground Underground
Diet Herbivores Predators
Regions Europe, Asia Holarctic, now distributed globally through commercial biocontrol
Conservation Least Concern Least Concern

Swallow Prominent

A pale grey-white moth with a distinctive dark wedge-shaped mark along the inner edge of each forewing. It has a deeply toothed trailing wing edge.

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Did You Know?

Its name comes from the deeply notched trailing edge of the hindwings which gives them a swallow-tail like appearance.

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.