Southern Flannel Moth vs Cinnabar Moth

Side-by-side species comparison

Attribute Southern Flannel Moth Cinnabar Moth
Scientific Name Megalopyge opercularis Tyria jacobaeae
Order Lepidoptera Lepidoptera
Family Megalopygidae Erebidae
Size 25-36 mm wingspan 32-42 mm wingspan
Habitat Woodlands Beaches & Coastal
Diet Omnivores Omnivores
Regions Southeastern United States, Central America Europe, central Asia (introduced to Australasia and Americas)
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.

Cinnabar Moth

A day-flying moth with charcoal-black wings marked with crimson-red stripes and spots. It has been deliberately introduced worldwide as a biological control agent for ragwort.

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Did You Know?

Its caterpillars store toxic alkaloids from ragwort, making them so distasteful that birds learn to avoid them.