Chalkbrood Recommendations: ENY116/AA138, rev. 12/2016

Abstract

This document provides insights into chalkbrood, a fungal disease affecting honey bee colonies, and also this manuscript highlights the rising incidence of chalkbrood in the United States, with specific concerns in Florida due to its subtropical climate. Factors such as high moisture content, cool temperatures, and colony stress are linked to the growth of the causative organism, Ascophaera apis. While there is no recommended chemical treatment for chalkbrood, good hygienic practices within the colony, such as prompt removal of infected brood, are suggested for symptom alleviation.