Fully-grown larvae form cocoons in comb debris, attached to frame or hive body. Larvae chew cavities to cement the cocoons, and lasting damage is done to frame

Fully-grown larvae form cocoons in comb debris, attached to frame or hive body. Larvae chew cavities to cement the cocoons, and lasting damage is done to frame - 164117460

Close-up of white silkworm cocoons on a wooden table

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