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Perimeter traps baited with synthetic lures for suppression of yellowjackets in fruit orchards

, : Perimeter traps baited with synthetic lures for suppression of yellowjackets in fruit orchards. Environmental Entomology 2(4): 569-571

Populations of species of Vespula (mainly V. pensylvanica (Sauss.)) on a 22-acre peach orchard near The Dalles, Oregon, were successfully depressed during the summers of 1969 and 1971 with traps containing the highly potent specific lures, 2,4-hexadienyl butyrate or heptyl butyrate placed around the orchard's periphery. Moreover, the wasps were reduced below troublesome levels within four days of the traps being introduced.


DOI: 10.1093/ee/2.4.569

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