Secondary Screwworm Fly vs Nigerian Driver Ant

Side-by-side species comparison

Attribute Secondary Screwworm Fly Nigerian Driver Ant
Scientific Name Cochliomyia macellaria Dorylus nigricans
Order Diptera Hymenoptera
Family Calliphoridae Dorylidae
Size 8-12 mm Workers 3-14 mm; queen up to 52 mm
Habitat Farmland Rivers & Streams
Diet Carrion Feeders Carrion Feeders
Regions North America, South America West Africa, Central Africa
Conservation Least Concern Least Concern

Secondary Screwworm Fly

A blow fly that breeds in carrion and occasionally infests wounds in livestock. It is widely used in forensic studies in the Americas.

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Did You Know?

Unlike the primary screwworm, it only feeds on dead tissue rather than living flesh.

Nigerian Driver Ant

A large driver ant species with massive soldier caste bearing sickle-shaped mandibles. Raiding columns can stretch over 100 meters.

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Did You Know?

Their queens are the largest known ants in the world and can lay up to 4 million eggs per month.