I like this and the bee is really sharp and in focus. I do belive shifting the flower and bee over to the right of the frame with the negative space in front of the bee would have benifited this photo. I also think the noise is a bit distracting and a little noise reduction could have helped, just my opinion and still a nice photo.
Nice detail, good simple composition. Wish the contrast were better - the white don't seem really white and the blacks don't seem really black. Levels or curves in photoshop would make this image really pop!