Beware of Puss Caterpillars: They Pack a Punch

Jack Phillips
2/19/2016
Updated:
11/5/2017

The “puss caterpillar” might look like something you would want to pet, but you shouldn’t touch it--ever.

The insect, Megalopyge opercularis, is the larva of the southern flannel moth.

Last year, a 7-year-old Mississippi boy was stung by one of the caterpillars, and he was rushed to the hospital. The child touched the moth larvae in the garden.

“It felt like very bad pain,” he told WMC Action News 5.
(Wikipedia Commons)
(Wikipedia Commons)

“Their sting can be more painful than a jellyfish, or any type of scorpion or bee,” she said.

<br/>Wikipedia user Amizrachi

Wikipedia user Amizrachi
Puss caterpillar (Donald W. Hall, University of Florida)
Puss caterpillar (Donald W. Hall, University of Florida)

They’re also found as far away as Missouri and Texas.

According to WebMD, it’s the most poisonous caterpillar in the U.S., and its poison is hidden in hollow spines located amidst its hair. It feeds on elm, oak, and sycamore trees.
(Donald W. Hall, University of Florida)
(Donald W. Hall, University of Florida)

It’s a painful experience, experts say.

“A puss caterpillar sting feels like a bee sting, only worse. The pain immediately and rapidly gets worse after being stung, and can even make your bones hurt,” University of Florida entomologist Don Hall said.

“How bad the sting hurts depends on where you get stung and how many spines are embedded in your skin. People who have been stung on the hand say the pain can radiate up to their shoulder and last for up to 12 hours,” Hall said.

The caterpillar can be found in the southern United States, parts of Central America, and Mexico.

Photo sources: University of Florida
Jack Phillips is a breaking news reporter with 15 years experience who started as a local New York City reporter. Having joined The Epoch Times' news team in 2009, Jack was born and raised near Modesto in California's Central Valley. Follow him on X: https://twitter.com/jackphillips5
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