Black-Headed Blister Beetle vs Provence Short-tailed Blue

Side-by-side species comparison

Attribute Black-Headed Blister Beetle Provence Short-tailed Blue
Scientific Name Epicauta pennsylvanica Cupido alcetas
Order Coleoptera Lepidoptera
Family Meloidae Lycaenidae
Size 10-18 mm 22-28 mm wingspan
Habitat Grasslands Grasslands
Diet Parasitoids Omnivores
Regions North America Central and southern 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.

Provence Short-tailed Blue

One of Europe's smallest butterflies with violet-blue males and dark brown females. It lacks the tail projection of its close relative the short-tailed blue.

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Did You Know?

Males gather in large puddle clubs on damp ground to drink mineral-rich water.