Paul Cronshaw, D.C.<[log in to unmask]> wrote: >>I agree. However, past the first generation the cells will darken from left over cocoons thereby making egg detection a little easier. Perhaps Mann-Lake could make the plastic a darker color. Do you think the bees would care if if the plastic foundation is white or black background? :)<< I believe that one of the plastic foundation makers, it could be Permadent or Plasticell, makes a black plastic foundation specifically for queen breeders who graft eggs. The black plastic makes it easier to see the eggs and remove them. I'm not sure if the bees care about the color. Has anyone tried this? Ted Wout Red Oak, TX