friend or foe? must we choose sides?
chalkbrood is USUALLY self limiting. i have lost a hive to it in spite of things like requeening. it grows were conditions are good for fungus, and that would be here! in places where moisture is less, and the hive can be ventilated, it is usually self limiting. i also read a couple of reports about getting the temp up in the hive which would probably preclude the ventilating part.....i did close one hive except for small entrance, i hottest part of summer. the chalkbrood cleared up, but i have no idea if the heat in the hive was the reason.