Black-Headed Blister Beetle vs Adonis Blue

Side-by-side species comparison

Attribute Black-Headed Blister Beetle Adonis Blue
Scientific Name Epicauta pennsylvanica Lysandra bellargus
Order Coleoptera Lepidoptera
Family Meloidae Lycaenidae
Size 10-18 mm 30-36 mm wingspan
Habitat Grasslands Grasslands
Diet Parasitoids Nectar Feeders
Regions North America Europe
Conservation Least Concern Least Concern

Black-Headed Blister Beetle

An entirely black blister beetle common across eastern North America, often seen in large groups on goldenrod in autumn. Its larvae are parasitoids of grasshopper eggs.

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Did You Know?

Larvae go through hypermetamorphosis, changing dramatically in form across five different larval stages.

Adonis Blue

Males are an intense sky-blue with a chequered fringe; females are brown. Restricted to chalk and limestone grasslands.

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Did You Know?

It is considered one of the most brilliantly blue butterflies in Europe.