Ochraceum Black Fly vs Splendid Ground Beetle

Side-by-side species comparison

Attribute Ochraceum Black Fly Splendid Ground Beetle
Scientific Name Simulium ochraceum Carabus splendens
Order Diptera Coleoptera
Family Simuliidae Carabidae
Size 1.5-3 mm 22-32 mm
Habitat Mountains Mountains
Diet Blood Feeders Omnivores
Regions Mexico, Guatemala, southern Mexico, Central America Pyrenees (France and Spain)
Conservation Least Concern Near Threatened

Ochraceum Black Fly

A small orangish-brown black fly that is the principal vector of onchocerciasis in Central America and southern Mexico. It breeds in small, fast-running mountain streams. Biting activity peaks in the early morning and late afternoon in coffee-growing regions.

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Did You Know?

The Americas are close to eliminating onchocerciasis thanks to mass ivermectin distribution targeting this vector's parasite.

Splendid Ground Beetle

A dazzling green and gold ground beetle endemic to the Pyrenees mountains. It is prized by collectors for its brilliant metallic sheen.

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Did You Know?

Its range is restricted to a narrow band of the Pyrenees, making it one of Europe's most localised Carabus species.