Face Fly vs Jewel Ground Beetle

Side-by-side species comparison

Attribute Face Fly Jewel Ground Beetle
Scientific Name Musca autumnalis Carabus auronitens
Order Diptera Coleoptera
Family Muscidae Carabidae
Size 7-8 mm 22-30 mm
Habitat Farmland Forests
Diet Omnivores Omnivores
Regions Europe, North America Central Europe, Western Europe
Conservation Least Concern Least Concern

Face Fly

A non-biting muscid fly that feeds on secretions around the eyes and nose of cattle. It is a mechanical vector of the cattle pinkeye pathogen Moraxella bovis.

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Did You Know?

It enters homes in large numbers each autumn to overwinter, hence the name autumnalis.

Jewel Ground Beetle

A strikingly beautiful ground beetle with bright gold and green metallic coloring. It inhabits mountain forests across central Europe.

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Did You Know?

Its brilliant golden color comes from microscopic surface structures that diffract light rather than from pigments.