This is, and always will be, the best method of defense when it comes to getting rid of squash bugs.
You can also help control squash bugs by planting repellent plants with your squashes.
Certain insects are very beneficial to have on your side when you are fighting pests. One such insect is the Tachinid Fly, or Trichopoda pennipes.
Diatomaceous Earth is a powder made from ground up diatoms. It works my making microscopic cuts in the exoskeleton of insects- drying them out.