Perhaps they just like the heat of my car," Howarth added.Moses said members of colonies often follow their queen bee if she moves hives. "One theory was that the queen was trapped in my car and the swarm were following," Howarth said. Apparently bees can swarm at this time of the year and it is a very strong instinct for them to follow the queen," she said. "As I drove past I noticed this big brown splodge on the back of a car. And queens moves hives if the hives are disturbed — say, by humans.
Source: Times of India May 25, 2016 09:41 UTC