What's That Bug? does not endorse extermination

woolly bear caterpillar
Location:  Rancho Bernardo, CA
March 7, 2011
Good Evening!
I discovered hundreds of these caterpillars in a vacant lot near my house.  I have always known these cute little guys as woolly bears, but are there different types of woolly bears?  Also what is the specific moth they turn into?
Weather:  Rain in January then the first really warm weekend they were everywhere
Thank you so much for the information
C. Knapp

Woolly Bear

Dear C,
This is a caterpillar of a Tiger Moth in the subfamily Arctiinae.  They are commonly called Woolly Bears and there are many different species with similar caterpillars.  This might be the caterpillar of the Nevada Tiger Moth,
Grammia nevadensis, which is pictured on BugGuide.

Daniel,
Thank you for the quick reply.  Yes, this does look like the Nevada Tiger Moth caterpillar.  I have a few in a container so I will keep an eye on them.
Thanks again.  This site is wonderful!
C. Knapp

What's That Bug? does not endorse extermination
Location: California
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