What is the impact of bee mites, such as Varroa destructor, on a bee colony?

The impact of Varroa destructor, a type of bee mite, on a bee colony is profoundly detrimental. These mites are parasites that attach themselves to bees and feed on their bodily fluids, weakening the individual bees and compromising the overall health of the colony. This feeding process not only directly harms the bees but also stresses the colony and makes it more vulnerable to various diseases.

Varroa mites are known to spread viruses among bee populations, including the devastating Deformed Wing Virus and others that can rapidly decimate hive populations. The presence of these mites can lead to decreased reproductive rates, reduced lifespan of adult bees, and lower honey production. Hence, their presence is a major factor behind the decline of honey bee colonies worldwide.

The other choices reflect incorrect understandings of the role and impact of mite infestations in beekeeping.