Here is some of the practices that I use as squash bugs are so rampant down here. It's even worse when you have a close neighbor who just lets every bug have a party in their yard. Going organic is fine. A great thing actually, but at least get out there and scout and keep from infecting other folks crops when your gardens are only a few feet away from each other.
http://cubits.org/ellasgarden/articles/view/1486/
Then little car dust buster really do work good. Sucks them adults right up.