Dun-bar vs Common Rustic

Side-by-side species comparison

Attribute Dun-bar Common Rustic
Scientific Name Cosmia trapezina Mesapamea secalis
Order Lepidoptera Lepidoptera
Family Noctuidae Noctuidae
Size 28-34 mm wingspan 26-34 mm wingspan
Habitat Underground Farmland
Diet Predators Herbivores
Regions Europe, Asia Europe
Conservation Least Concern Least Concern

Dun-bar

A late summer noctuid moth whose caterpillars are partly predatory, eating other moth larvae sharing their tree. Variable brown coloration with a distinctive pale bar.

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Did You Know?

Caterpillars are cannibalistic and predatory, readily consuming other moth larvae they encounter on leaves.

Common Rustic

A highly variable common moth that forms a species complex with the Lesser Common Rustic. External appearance is unreliable for identification. Larvae feed inside grass stems.

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Did You Know?

So similar to its sibling species that they were not recognized as separate species until 1983.