CCD doesn't have one single cause. Due to a plethora of factors (monocultures, neonics and other -icides, irresponsible use of antibiotics, ignorant beekeeping

CCD doesn't have one single cause. Due to a plethora of factors (monocultures, neonics and other -icides, irresponsible use of antibiotics, ignorant beekeeping methods, ... ) the bee population is weakened, clearing the way for parasites like the varroa mite to strike the final blow.