The Black Bees

I mentioned in June that I've been watching very intently for honeybees this year. I'm not doing it for any particular reason; I've just been curious, what with all the talk of colony collapse disorder, about whether honeybees visit the yard, and if so how many, and so forth.

For a very long time, the closest I got was the bee-mimic fly (picture at the end of the above link). At some point in