Chalk Hill Blue vs Dun-bar

Side-by-side species comparison

Attribute Chalk Hill Blue Dun-bar
Scientific Name Polyommatus coridon Cosmia trapezina
Order Lepidoptera Lepidoptera
Family Lycaenidae Noctuidae
Size Wingspan 33-40mm 28-34 mm wingspan
Habitat Grasslands Underground
Diet Herbivores Predators
Regions Europe Europe, Asia
Conservation Least Concern Least Concern

Chalk Hill Blue

A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.

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Did You Know?

Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.

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.