This behavior is key to recovering from the Verroa mite epidemic.

Ciro Invernizzi and colleagues from the Facultad de Ciencias, Montevideo, Uruguay, compared grooming behaviour in Italian (Apis mellifera ligustica) and Africanized bees. They found that at the individual level, Africanized bees showed a higher total number of reaction behaviours to V. destructor than did Italian bees, and colonies of Africanized bees showed a higher proportion of injured mites than colonies of Italian bees did.

Read more at: http://phys.org/news/2016-06-insights-bees-deadly-varroa-mite.html#jCp