Elm Leafminer vs Eri Silk Moth

Side-by-side species comparison

Attribute Elm Leafminer Eri Silk Moth
Scientific Name Fenusa ulmi Samia ricini
Order Hymenoptera Lepidoptera
Family Tenthredinidae Saturniidae
Size 2.5-4 mm (adult) Wingspan 100-130 mm
Habitat Woodlands Farmland
Diet Herbivores Herbivores
Regions Europe, North America India (Assam), China, Japan, Southeast Asia
Conservation Not Evaluated Not Evaluated

Elm Leafminer

A sawfly whose larvae mine between the upper and lower surfaces of elm leaves. Mines appear as blotchy brown patches on foliage.

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Did You Know?

Each larva creates a single blotch mine that can expand to cover half the leaf.

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.