Ooh! Ooh! My Google search wizardry thinks it might have found them. They might be some kind of soldier bug or stink bug. Look:
http://dkphoto.photoshelter.co...
Do a Google image search on "spined soldier bug eggs" and look at the stuff that turns up.
Also, here's some info from UF about them. They're actually considered beneficial because they'll be eating other bugs - not your plants.
http://entnemdept.ufl.edu/crea...
