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Figure 1


A cross-section of a feral honey bee hive within a tree cavity found September 2009 in the residential area of Bloomington, Minnesota. The nest interior, where comb is present, is coated in a thin layer of propolis (plant resins mixed with wax) creating a “propolis envelope” around the colony. The upper portion of the cavity had not been lined with propolis, as the colony had not begun to use that space.

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