EFFECT OF PHEROMONE PERMEATION ON SUSTAINED FLIGHT OF MALE SPRUCE BUDWORM
- 1 August 1998
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 130 (4) , 539-544
- https://doi.org/10.4039/ent130539-4
Abstract
Flight durations of male spruce budworm moths, Choristoneura fumiferana (Clem.), that were locked-on to pheromone plumes from female moths were measured in a wind tunnel. Flight was sustained by use of a movable patterned ceiling. The longest sustained flight was 53 min. The effects of different background concentrations of synthetic pheromone were tested by surrounding the female moths with rubber septa loaded with synthetic pheromone. The duration of sustained flights decreased as the concentration of background synthetic pheromone increased, but at all concentrations some males persisted in orientated flight for 10 min or longer.Keywords
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