I was up on the roof of my RV today and noticed a lot of insects crawling around up there. There were house, flies black and red ants, mud daubers, and other unidentified bugs. They were crawling around and seemed to be feeding on something. There was some black residue on the surface, would that be edible for an insect?

__________________
Dan & Mary Kay, Ste Marys County MD, SunnyTraveler 9607
08 F-350, SD ,PSD, 4X4 DRW ,C/C LB,Tow Boss 4.30,
5 Speed Auto, Valley Tow 20K Slider
05 Ultra Glide, 03 Dyna Low Rider
Sunnybrook Titan 391SURV