[log in to unmask] ++++ >The latest research indicates that bees use infrared light to navigate >and locate food sources. This is probably what the teacher was looking >for. I think that you mean ultraviolet, which I have read that bees use to locate the exact position of the sun (even through clouds). As I understand it, Bees do not see the far red (Infra Red) and not even as far red as we see, thus a red light can be used in the dark without making them fly. .. george