Citronella is made with Lemon Grass oil. That is what we use in the UK to attract Swarms. But Citronella Smoke may just attract the bees.
Mosquitoes don’t like Citronella, Pyrethrum Sprays (Chrysanthemum cinerariifolium) is used to get rid of Bugs and insects on plants and as fly spray but I would not use that near bees.
Mosquito rings are made from ground Pyrethrum and may be the better option? They smoke where as Pyrethrum sprays may damage bee wings??