Narrow-banded Hoverfly vs Ochraceum Black Fly

Side-by-side species comparison

Attribute Narrow-banded Hoverfly Ochraceum Black Fly
Scientific Name Meliscaeva auricollis Simulium ochraceum
Order Diptera Diptera
Family Syrphidae Simuliidae
Size 7-10 mm 1.5-3 mm
Habitat Underground Mountains
Diet Nectar Feeders Blood Feeders
Regions Europe, Asia Mexico, Guatemala, southern Mexico, Central America
Conservation Least Concern Least Concern

Narrow-banded Hoverfly

A small hoverfly with narrow yellow crescent markings on a dark abdomen. It is among the first hoverflies to appear in spring.

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Did You Know?

Adults can be seen flying as early as February in mild winters.

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.