i simply couldn't figure out, why everyone is so afraid doing it. i always mowed the lawn with out any problem, well maybe there was a bee or two flying about my head, but that's about it.
this year i...expanded, sort of, so my table for 5 hives got too small, so i simply took one off and put it on concrete blocks. few minutes ago, i started mowing, mowed about half of our front yard lawn, but as i got closer to hives, the white one (the one on concrete blocks) instantly turned BLACK with bees. so i just shut the mower and got away.
if you want to trim the grass around your hives, have them suspended on woden legs, i guess they transmit far less vibrations so the bees don't get upset one bit.