Atlas Longhorn vs Thistle Tortoise Beetle

Side-by-side species comparison

Attribute Atlas Longhorn Thistle Tortoise Beetle
Scientific Name Macrotoma palmata Cassida rubiginosa
Order Coleoptera Coleoptera
Family Cerambycidae Chrysomelidae
Size 40-65 mm 6-8 mm
Habitat Grasslands Grasslands
Diet Wood Feeders Herbivores
Regions West Africa, Central Africa, East Africa Europe, Asia, introduced to New Zealand and North America
Conservation Least Concern Least Concern

Atlas Longhorn

A large prionine beetle from tropical Africa with palmate (comb-like) antennae in males. The body is dark brown with a robust build. Larvae develop in large fallen trunks of savanna trees.

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Did You Know?

The elaborate comb-like antennae of males are thought to detect female pheromones with extreme sensitivity.

Thistle Tortoise Beetle

A pale green to yellowish-brown tortoise beetle with a somewhat flattened, circular body. It has been used as a biocontrol agent against invasive thistles in several countries.

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Did You Know?

It was deliberately introduced to New Zealand and Canada as a biological control agent to combat invasive thistle species.