Shepherd's Fritillary vs Common Thick-headed Fly

Side-by-side species comparison

Attribute Shepherd's Fritillary Common Thick-headed Fly
Scientific Name Boloria pales Sicus ferrugineus
Order Lepidoptera Diptera
Family Nymphalidae Conopidae
Size 30-36 mm wingspan 8-12 mm
Habitat Grasslands Underground
Diet Nectar Feeders Nectar Feeders
Regions Alps, Pyrenees, Balkans Europe
Conservation Least Concern Least Concern

Shepherd's Fritillary

A variable fritillary butterfly of high alpine pastures. Its wing pattern varies greatly between populations across different mountain ranges.

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Did You Know?

It is named after the mountain shepherds who share its high-altitude habitat.

Common Thick-headed Fly

A distinctive orange-brown fly with a disproportionately large, inflated head and a curved abdomen. It perches conspicuously on flowers waiting to intercept passing bumblebees.

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Did You Know?

The parasitized bumblebee eventually dies and buries itself in the ground, where the fly larva pupates inside the bee.