At some ,
dirtylitterboxofferingstospammers typed:
Yeah, tell me about it - been stung three times in the last week, out
cycling 
Nasty. So far I've been lucky.
Having to cycle with my mouth closed all the time - got stung in the
mouth last year - most unpleasant!
Even nastier. My current pet hate is cycling by a manure heap (of
which there are plenty hereabouts) or a pultry shed and finding I've
swallowed too many flies... YUK.
Cheers.
Try a canal towpath in Summer - I keep forgetting to cut up an old net curtain to use as a filter over my nose and mouth (cycling is too difficult holding ones breath, isn't it!).