MAINTENANCE OF BUMBLE BEE COLONIES IN OBSERVATION HIVES (HYMENOPTERA: APIDAE)

Abstract
Two bumble bee observation hive designs are described. Both have a sloping floor to support peripheral brood clumps. One is temperature controlled, using insulated resistance wire as an internal heat source. The other is moulded from a concrete mixture consisting of horticultural Perlite, cement, and plaster of Paris. Techniques for the sanitation, feeding, and handling of laboratory colonies are described.

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