Diamondback Eumolpid vs Glover's Silk Moth

Side-by-side species comparison

Attribute Diamondback Eumolpid Glover's Silk Moth
Scientific Name Colaspis brunnea Hyalophora columbia gloveri
Order Coleoptera Lepidoptera
Family Chrysomelidae Saturniidae
Size 4-5 mm 100-130 mm wingspan
Habitat Farmland Farmland
Diet Root Feeders Omnivores
Regions Eastern North America Western North America, Rocky Mountain region
Conservation Least Concern Least Concern

Diamondback Eumolpid

A small, oblong beetle with a pale brown to yellowish body and rows of punctures on the elytra. Larvae are known as grape colaspis and damage roots of various crops.

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Did You Know?

Larvae are most damaging to corn and soybean planted after clover, as populations build up in clover root zones before crop rotation.

Glover's Silk Moth

A large silk moth from the western Rocky Mountain region with reddish-brown wings and white crescent-shaped spots. It is closely related to the cecropia moth but adapted to arid habitats.

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Did You Know?

It was originally described as a separate species but is now considered a subspecies of the Columbia silk moth.