What is "apidictor"

n. An instrument which measures and records the sounds in a beehive. Apidictors serve in the bee industry as important monitors of bee activities.

An apidictor is an instrument which measures and records the sound in a beehive. The instrument records the aggregate sound made by the buzzing of the bees' wings. They were thought to be useful for predicting when a colony is preparing to swarm.

E.F. Wood invented and patented the apidictor in 1964. Only 300 are reported to have been sold.