Thistle Tortoise Beetle vs Hainan Stick Insect

Side-by-side species comparison

Attribute Thistle Tortoise Beetle Hainan Stick Insect
Scientific Name Cassida rubiginosa Ramulus hainanense
Order Coleoptera Phasmatodea
Family Chrysomelidae Phasmatidae
Size 6-8 mm 8-11 cm
Habitat Grasslands Forests
Diet Herbivores Herbivores
Regions Europe, Asia, introduced to New Zealand and North America China (Hainan Island)
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.

Hainan Stick Insect

A slender green stick insect found on Hainan Island in southern China. It feeds on tropical broadleaf vegetation.

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Did You Know?

Hainan Island's isolation has produced several endemic phasmid species found nowhere else.