Emerald Ash Borer Parasite vs Southern Flannel Moth

Side-by-side species comparison

Attribute Emerald Ash Borer Parasite Southern Flannel Moth
Scientific Name Spathius agrili Megalopyge opercularis
Order Hymenoptera Lepidoptera
Family Braconidae Megalopygidae
Size 3-5 mm 25-36 mm wingspan
Habitat Woodlands Woodlands
Diet Parasitoids Omnivores
Regions East Asia, Eastern North America Southeastern United States, Central America
Conservation Least Concern Least Concern

Emerald Ash Borer Parasite

A parasitoid wasp from China released in North America to combat the devastating emerald ash borer beetle. Females drill through bark to reach host larvae.

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Did You Know?

It was approved for release in the US in 2007 as part of an emergency effort to save North American ash trees.

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.