Secondary Screwworm Fly vs Clown Beetle

Side-by-side species comparison

Attribute Secondary Screwworm Fly Clown Beetle
Scientific Name Cochliomyia macellaria Hister unicolor
Order Diptera Coleoptera
Family Calliphoridae Histeridae
Size 8-12 mm 6-9 mm
Habitat Farmland Farmland
Diet Carrion Feeders Scavengers
Regions North America, South America Europe, North America
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.

Clown Beetle

A small, shiny black beetle with a compact, rounded body. It is a predator of fly larvae found in dung and decaying matter.

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Did You Know?

It can retract its legs and antennae into grooves on its body, making it nearly spherical.