I didn't know you had a pet bee.. I totally agree with Mr. Hilliard. Although... I think I'd like it even more if you crop a little off of the top edge. but hey, what do I know??
Wow - I just love macro shots, and this one is amazing!
I love the way that the lines in the flower point your eyes toward the bee. The texture on the bee itself is wonderful, and the way you can see the sunlight on his body (and that of the flower as well) is marvelous. Also I like the extremely shallow depth of field, the wide aperture allowed by your macro lens works wonders here; also, the blurring of the sky in the background whites it out almost completely, letting the background fade into negative space at the top of the frame - nicely highlighting the "positive space" filled by your subject, the bee. And finally, the colours are excellent and have a good warm feeling.
Wonderful shot, I can't wait to look at your other material.