Oregon Silverspot Butterfly vs Dun-bar

Side-by-side species comparison

Attribute Oregon Silverspot Butterfly Dun-bar
Scientific Name Speyeria zerene hippolyta Cosmia trapezina
Order Lepidoptera Lepidoptera
Family Nymphalidae Noctuidae
Size 5-6 cm wingspan 28-34 mm wingspan
Habitat Grasslands Underground
Diet Herbivores Predators
Regions United States Europe, Asia
Conservation Endangered Least Concern

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.

Dun-bar

A late summer noctuid moth whose caterpillars are partly predatory, eating other moth larvae sharing their tree. Variable brown coloration with a distinctive pale bar.

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Did You Know?

Caterpillars are cannibalistic and predatory, readily consuming other moth larvae they encounter on leaves.