| 摘要 |
A screen insert is provided for use with beehives, the screen insert for insertion between a bottom board and a brood chamber, the screen insert comprising: a peripheral frame; a screen mounted an the peripheral frame, the screen having a mesh opening size configured to allow passage of mites and configured to disallow passage of bees; and an aperture defined by the peripheral frame and the brood chamber. The screen insert preferably comprises stabilizer fins on the peripheral frame, a ledge an a forward side surface of the peripheral frame, and mounting holes in the peripheral frame for mounting the peripheral frame on the bottom board.¿
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