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Chalkbrood
(mummies)
(bottom board)
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Image by
Maryann Frazier
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Chalkbrood)
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Image by
Maryann Frazier
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Chalkbrood
(mummies)
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Image by
Maryann Frazier
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Chalkbrood
(on brood)
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Image by
Maryann Frazier
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Dysentery
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Image by
Maryann Frazier
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Parasitic mite syndrome
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Image by
Maryann Frazier
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Sacbrood
(larvae from cell)
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Image by
Maryann Frazier
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