Grapevine Beetle vs Eri Silk Moth

Side-by-side species comparison

Attribute Grapevine Beetle Eri Silk Moth
Scientific Name Pelidnota punctata Samia ricini
Order Coleoptera Lepidoptera
Family Scarabaeidae Saturniidae
Size 20-26 mm Wingspan 100-130 mm
Habitat Orchards Farmland
Diet Herbivores Herbivores
Regions North America India (Assam), China, Japan, Southeast Asia
Conservation Least Concern Not Evaluated

Grapevine Beetle

A handsome tan-colored scarab with dark spots on its elytra, found in eastern North America. Adults feed on grapevine foliage and are attracted to lights at night.

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Did You Know?

Despite its name, it rarely causes significant damage to commercial grapevines.

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.