Columbia Silk Moth vs Oregon Silverspot Butterfly

Side-by-side species comparison

Attribute Columbia Silk Moth Oregon Silverspot Butterfly
Scientific Name Hyalophora columbia Speyeria zerene hippolyta
Order Lepidoptera Lepidoptera
Family Saturniidae Nymphalidae
Size 90-130 mm wingspan 5-6 cm wingspan
Habitat Farmland Grasslands
Diet Omnivores Herbivores
Regions Northern United States and Canada, particularly the Great Lakes region United States
Conservation Least Concern Endangered

Columbia Silk Moth

A large reddish-brown silk moth closely related to the cecropia moth but found in northern bog habitats. Its cocoon is spun on larch branches rather than broad-leaved trees.

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Did You Know?

It is one of the few silk moths adapted to boreal wetlands, where its larvae specialize on conifer needles instead of hardwood leaves.

Oregon Silverspot Butterfly

A medium-sized fritillary butterfly with bright silver spots on its hindwing undersides. It inhabits coastal grasslands from Washington to northern California.

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Did You Know?

Its larvae feed exclusively on early blue violet plants that grow in wind-swept coastal prairies.