Thistle Tortoise Beetle vs Small Heath Butterfly

Side-by-side species comparison

Attribute Thistle Tortoise Beetle Small Heath Butterfly
Scientific Name Cassida rubiginosa Coenonympha pamphilus
Order Coleoptera Lepidoptera
Family Chrysomelidae Nymphalidae
Size 6-8 mm 26-33 mm wingspan
Habitat Grasslands Grasslands
Diet Herbivores Nectar Feeders
Regions Europe, Asia, introduced to New Zealand and North America Europe, North Africa, Western Asia
Conservation Least Concern Least Concern

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.

Small Heath Butterfly

A small, plain orange-brown butterfly that always rests with its wings closed. It is one of the most widespread grassland butterflies in Europe.

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Did You Know?

It never opens its wings when at rest, always keeping the underwing eyespot visible as a predator deflection.