Chalk Brood

Symptoms/Identification

• White, Gray, and Black mummies in brood cells, at the entrances, and on bottom boards

• Often found after cool, damp weather

How it Spreads

• Infected equipment

• Infected pollen

• Moving infected combs to uninfected hives

• Drifting/Robbing

 

Treatment

• Feeding Sugar Syrup and Pollen

• Requeening

• Increasing ventilation (screened bottom boards)

• Moving colonies to sunny dry locations

• Replacing old and diseased comb

Prevention

To help prevent Chalk brood, always sterilize your equipment after working someone else bees. Requeen every 1-2 years. Maintaining strong colonies and treating for pests, namely Varroa, will greatly reduce the stress on a colony and help it fight off diseases