Upon further review, it's probably a Southern Tussock moth caterpillar. Apparently, it can sting. I'm indifferent about the bug. Doubt it would bother anything you're trying to grow. Here is a link that might be useful: http://www.floridanaturepictures.com/butterflies/southern_tussock.htm

Aha! I was just trying to figure out what the eggs on the underside of my lettuce leaves were. We have stink bugs all over these parts, so that must be it. Thanks for the pic.

South Louisiana. Sorry, I thought I added that so it would show up next to my name.

could we also see the front of some leaves ... is there any damage showing ... we tend not to be to concerned about bugs that dont cause harm ... ken