Selenium can be toxic to bees Selenium toxicity to honey bee (Apis mellifera L.) pollinators: effects on behaviors and survival,
PloS one
, Volume 7, Number 4, p.e34137, (2012)
[1].

See also:
http://www.smh.com.au/environment/chain-reaction-toxic-soil-kills-bees-…
http://phys.org/news/2012-04-selenium-impacts-honey-bee-behavior.html

Bees can be kept in ceramic beehives Experiments with an old ceramic beehive,
Oxford Journal of Archaeology
, Volume 31, Number 2, p.143–159, (2012)
[2].

Honey bee venom has stronger antifungal properties than commercially available antifungal drugs The antifungal activity of bee venom against dermatophytes,
J Appl Biol Chem
, Volume 55, Number 1, p.7–11, (2012)
[3].

Queens inseminated with cryopreserved semen are capable of producing fertilised offspring Sequential generations of honey bee (Apis mellifera) queens produced using cryopreserved semen,
Reproduction, Fertility and Development
, Volume 24, p.1079-1083, (2012)
[4].

Symptoms of CCD can be replicated by feeding colonies with sublethal doses of imidacloprid In situ replication of honey bee colony collapse disorder,
Bulletin of Insectology
, Volume 65, p.99-106, (2012)
[5].

See also:
http://www.foodproductdesign.com/articles/2012/04/hfcs-and-colony-colla…
http://www.croplife.com/article/26607/bayer-says-bee-study-is-seriously…
http://www.wired.com/wiredscience/2012/04/neonicotinoids-colony-collaps…

Computer software can be used to assess movement of bees Using video-tracking to assess sublethal effects of pesticides on honey bees (Apis mellifera L.),
Environmental Toxicology and Chemistry
, Volume 31, p.1349-1354, (2012)
[6].

Infection with Nosema can lead to disintegration of epithelial cells of mid gut and fragmentation of peritrophic
membranes The relationship between the infection levels of Nosema apis parasites and epithelial cells of mid-gut of honeybee in Qena Government,
Egypt. Acad. J. biolog. Sci.
, Volume 3, p.1-11, (2012)
[7].