December Moth vs Rothschild's Silkmoth

Side-by-side species comparison

Attribute December Moth Rothschild's Silkmoth
Scientific Name Poecilocampa populi Rothschildia jacobaeae
Order Lepidoptera Lepidoptera
Family Lasiocampidae Saturniidae
Size 35-45 mm wingspan 100-150 mm wingspan
Habitat Parks Heathland
Diet Predators Herbivores
Regions Europe Brazil, Argentina, Paraguay, Uruguay
Conservation Least Concern Not Evaluated

December Moth

A dark, hairy moth that flies in the coldest months of the year, from November to January. Its cold-season activity is an adaptation to avoid parasitoids and predators.

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Did You Know?

Males fly actively on freezing nights, using antifreeze proteins in their blood to stay airborne.

Rothschild's Silkmoth

A large silkmoth with reddish-brown wings featuring bold triangular translucent patches. Each wing also bears a crescent-shaped eyespot.

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Did You Know?

The clear windows in its wings are completely scaleless, which is unusual since moth wings are normally covered in thousands of scales.