Gudrun Koeniger (Author), Nikolaus Koeniger (Author), Jamie Ellis (Author), Lawrence Connor (Author), Randy Kim (Editor), Robert Muir (Editor); Publisher: Wicwas Press; 1 edition (January 26, 2015)
You will find a huge amount of useful information in it, including a large reference list of primary literature. There is no evidence of direct fighting in Apis mellifera. The mating sign does not serve as a mating plug (which would be the opposite of cooperation). On the one hand there is some evidence of a drone pheromone which might mean there is some sort of cooperation. On the other hand there is also evidence of sperm competition.