Transitions between tasks performed by workers at different ages is sometimes gradual, with workers performing more than one task at the same time Individual-level patterns of division of labor in honeybees highlight flexibility in colony-level developmental mechanisms,
Behavioral Ecology and Sociobiology
, Volume 66, p.923-930, (2012)
[1].

Apis mellifera scutellata queen mated to Apis mellifera capensis drones produce large proportion of workers with developed ovaries Racial mixing in South African honeybees: the effects of genotype mixing on reproductive traits of workers,
Behavioral Ecology and Sociobiology
, Volume 66, p.897-904, (2012)
[2].

Virus particles and viral inclusions were detected by transmission electron microscopy examination of the seminal vesicles and mucus gland of drones Virus present in the reproductive tract of asymptomatic drones of honey bee (Apis mellifera L.), and possible infection of queen during mating,
Microscopy Research and Technique
, Volume 75, p.986-990, (2012)
[3].

Ethyl oleate is most abundant on the cuticle of workers. It is perceived between individuals via olfaction at close range Sensory reception of the primer pheromone ethyl oleate,
Naturwissenschaften
, Volume 99, p.421-425, (2012)
[4].