Southern Flannel Moth vs Question Mark Butterfly

Side-by-side species comparison

Attribute Southern Flannel Moth Question Mark Butterfly
Scientific Name Megalopyge opercularis Polygonia interrogationis
Order Lepidoptera Lepidoptera
Family Megalopygidae Nymphalidae
Size 25-36 mm wingspan 45-76 mm wingspan
Habitat Woodlands Woodlands
Diet Omnivores Sap Feeders
Regions Southeastern United States, Central America North America
Conservation Least Concern Least Concern

Southern Flannel Moth

A fluffy moth covered in cream to orange-brown fur-like scales. Its larva, called the puss caterpillar, is covered in soft-looking hair that conceals venomous spines.

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Did You Know?

The puss caterpillar is considered the most venomous caterpillar in North America, with stings requiring medical attention.

Question Mark Butterfly

Orange butterfly with dark spots and irregular wing margins. A silvery question-mark shape on the underside of the hindwing gives it its name.

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Did You Know?

It rarely visits flowers, preferring to feed on fermenting fruit, sap, and animal dung.