We just got back from a trip through bug land and I decided to try a different approach on removing them. A guy I used to work with told me that truckers use a solution of baking soda and water,so I ...
A properly prepared surface ( wax or Rejex, which is what I use) helps with bug removal. Crown car and boat cleaner has been my go to on return from bug slaughter. Spray on a dry surface, let sit for a minute, then brush off with a soft brush. Bugs come right off. Crown also removed the black streaks better than any other product I have tried. Use it on the 5th wheel too.