description Southern Flannel Moth Overview
The southern flannel moth, Megalopyge opercularis, is a moth native to the southeastern and southern United States. Its adult form is covered with soft-looking scales, while its larva is commonly called the puss caterpillar or asp caterpillar. Hidden urticating hairs on the larva can inject irritating substances when touched, producing a painful sting and other reactions, so the caterpillar is medically significant despite its furry appearance.
help Southern Flannel Moth FAQ
What is the scientific name of the southern flannel moth?
Its scientific name is Megalopyge opercularis. The species is native to the southeastern and southern United States.
Why is the southern flannel moth larva called a puss caterpillar?
The larva has a soft, furry appearance that resembles a small tuft of animal fur. Hidden urticating hairs beneath that covering can deliver a painful sting.
Are southern flannel moth caterpillars dangerous to touch?
They should not be handled because their concealed hairs can inject irritating venom. The adult moth is much less concerning than the larval puss caterpillar.
What does the adult southern flannel moth look like?
The adult is covered with soft-looking scales and has a fluffy appearance. That harmless-looking texture is quite different from the defensive hairs on the caterpillar.
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