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perforated cappings

  1. Diseases and Pests
    Recently one of my colonies swarmed and then became queenless. Much of the remaining sealed brood (not much and pepperpotted around) did not emerge. Now, 5 weeks later, the caps are perforated and the brood inside either solid and black; or watery. Is this likely to be a 'chilled brood' type...
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