Think you couldn't it approach any closer, MJ. Can't see whether it's a hover fly or a bee. Think it's the first because it has only two wings. If so, it's not necessary to have fear for a sting. Anyhow a wonderful macro!
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I too wondered what it was, but looking at other shots of the same insect confirms that it is indeed a bee. (I didn't actually know that there were Hoverfly's that resembled Bees, it's only by chance that I was looking at a insect ID website that I found out. Half a century old and still learning stuff!)
tigs=^..^=