chalkbrood disease
Quick Summary
Chalkbrood is a disease that affects honeybees, specifically targeting developing larvae. It is caused by a fungus called Ascophaera apis. When larvae become infected, they develop a white, woolly growth and eventually harden into a chalky white to grayish-black mass, which is fatal to the developing bee. This disease is one of several that can impact honeybee colonies, alongside other brood diseases like American foulbrood and European foulbrood, as well as diseases affecting adult bees.12
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