Abstract
This report, from the Apiculture Department of Ontario Agricultural College at Guelph in Canada, was promised in the last issue of Bee World (page 94). It describes trials with a number of possible repellents for clearing bees out of honey supers, for which carbolic acid and propionic anhydride are already used with varying success. Benzaldehyde (artificial oil of almonds) proved to be the best so far tested, and can be highly satisfactory. Some beekeepers have found difficulty with it, as they did initially with carbolic acid and propionic anhydride. As Professor Townsend says here: Each substance will eventually find its proper place in bee management.
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