Eri Silk Moth vs Tansy Beetle

Side-by-side species comparison

Attribute Eri Silk Moth Tansy Beetle
Scientific Name Samia ricini Chrysolina graminis
Order Lepidoptera Coleoptera
Family Saturniidae Chrysomelidae
Size Wingspan 100-130 mm 7-11mm
Habitat Farmland Rivers & Streams
Diet Herbivores Herbivores
Regions India (Assam), China, Japan, Southeast Asia Europe
Conservation Not Evaluated Near Threatened

Eri Silk Moth

A large domesticated silk moth with chocolate-brown wings bearing crescent-shaped eyespots. It produces a durable white silk harvested without killing the pupa.

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Did You Know?

It is the only fully domesticated silk moth whose silk can be harvested without killing the pupa inside the cocoon.

Tansy Beetle

A stunning metallic green and copper beetle covered in tiny pits. It is one of the rarest beetles in Britain.

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Did You Know?

In the UK it survives in only a small stretch along the River Ouse near York making it one of Britains most localized insects.