Fantastic idea!!! Since bee populations have been dwindling, this may be the start of a resurgence.  Going one step further, if locals plant flower boxes or small gardens with bee appealing plants, it may help restore the bee population.

Are they edible?

Why haven't the Extra-terrestrial Biological Entities (EBE's) bothered to make serious contact?  Probably for the same reason you don't try to have a serious conversation with the primates when you and your family go to visit the zoo.  Ya gotta figure these folks travelled billions and billions of miles to study us, NO...more