A Strange “Leaf” on the Floor Nearly Sent Me to the ER — What I Learned About Saddleback Caterpillars and Why You Should Never Touch One Indoors

Small, bright, almost toy-like in appearance — and one of the most unpleasant creatures you can accidentally touch.

The Caterpillar That Looks Like a Toy but Packs a Serious Sting

Saddleback caterpillars are native to many parts of the United States, especially in the East and Southeast. They’re small, usually less than an inch long, and unmistakably colorful. Their bright green bodies, deep brown “saddle” markings, and little horn-like projections make them look harmless, even decorative.

But those cute little spines?

They can deliver a painful sting.

These spines contain a toxin that causes immediate, intense discomfort if they break the skin. While most people recover fully with proper care, the sting can create symptoms that feel alarming:Continue reading…

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