Four-spotted Flat-face vs Old World Screwworm

Side-by-side species comparison

Attribute Four-spotted Flat-face Old World Screwworm
Scientific Name Anoplophora macularia Chrysomya bezziana
Order Coleoptera Diptera
Family Cerambycidae Calliphoridae
Size 22-35 mm 8-11 mm
Habitat Forests Forests
Diet Wood Feeders Parasites
Regions Central China (Sichuan, Hubei, Shaanxi) Sub-Saharan Africa, South Asia, Southeast Asia
Conservation Least Concern Least Concern

Four-spotted Flat-face

A glossy black longhorn with four large white spots on its elytra, found in montane forests of central China. It is less well known than the invasive A. glabripennis but occurs in similar habitats. Larvae develop in living maple and birch trees.

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Did You Know?

Unlike its notorious relative the Asian longhorn beetle, this species has never been found outside its native range.

Old World Screwworm

An obligate wound parasite of mammals found across Africa and Asia. Larvae invade wounds and feed on living tissue causing severe myiasis.

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Did You Know?

Unlike the New World screwworm, no sterile insect program has yet successfully eradicated this species.