Corn Flea Beetle vs North African Bombardier Beetle

Side-by-side species comparison

Attribute Corn Flea Beetle North African Bombardier Beetle
Scientific Name Chaetocnema pulicaria Brachinus humeralis
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 1.5-2 mm 8-12 mm
Habitat Farmland Heathland
Diet Herbivores Omnivores
Regions North America North Africa, Southern Europe
Conservation Least Concern Least Concern

Corn Flea Beetle

A very small, shiny black to bronze flea beetle with a compact, oval body. It vectors Stewart's wilt bacterium, making it both a direct and indirect pest of sweet corn.

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Did You Know?

The severity of Stewart's wilt in a given year can be predicted by winter temperatures, since cold winters reduce overwintering beetle populations.

North African Bombardier Beetle

A bombardier beetle found in North Africa and the Mediterranean basin. It has a reddish-brown head and thorax with dark blue-black elytra.

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Did You Know?

Like other bombardier beetles it can fire its chemical spray in rapid pulses of up to 500 times per second.