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- Kemp, William P.; Trostle, Glen E.; Pitts-Singer, Theresa L.
- United States Department of Agriculture patents 2009 no.US 7,556,552 B1
- pollinating insects; Apoidea; apiculture; beekeeping equipment; heating systems; patents; USDA; United States
- ... Incubation and emergence of solitary-nesting pollinating bees from their nests or cocoons under field conditions may be effected using a device including a first outer and second inner hollow containers wherein a nest containing the bees may be disposed, and first and second communicating openings are provided on the lower surfaces of the containers to provide access to the environment from the ne ...