This friendly looking fuzzy little caterpillar in Massachusetts can sting and poison you.

I was outside today with my son, when I came across a seemingly harmless caterpillar, and something I remember learning a few years ago was that these things can cause a painful rash.

Patty Waller
Patty Waller

Like most 8 year-olds, my son Liam, loves to be outdoors and loves to touch everything.

Last fall; however, he learned a valuable lesson...not to mess with (touch) the American Dagger Moth Caterpillar!

Kevin Brusie
Kevin Brusie

This inviting, little furry creature left him with a nice little burning and itchy rash that lasted for awhile. The toxin containing bristles can break off and embed in the skin.

The large adult American Dagger Moth may seem harmless, but its bristly, stinging caterpillar has a reputation for teaching small children not to touch everything they


Social Media Posts On The American Dagger Moth Caterpillar

No fatal or venomous. But can be painful and dangerous. Causing rash, rednesss and sores. I would imagine if you're sensitive to stings and bite more so than most, probably wanna leave this guy alone. Yes, I Googled it for those who are're welcome...


I thought this caterpillar was cute and sent the video to our daughter. Turns out it’s a poisonous American Dagger moth caterpillar. An article says a sting would cause the most miserable day of your life. Glad I didn’t touch it and I kept the dogs away from it.

So, if you come across one, just remember not to touch it or pick it up without gloves on (as you can see in the photo).


I doesn't just affect children, it will leave adults with the same symptoms! The American Dagger Moth Caterpillar will hang around until early November in Massachusetts.

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