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A further evaluation of the interactions between the pheromones and 2 host kairomones of the ambrosia beetles trypodendron lineatum and gnathotrichus sulcatus coleoptera scolytidae



A further evaluation of the interactions between the pheromones and 2 host kairomones of the ambrosia beetles trypodendron lineatum and gnathotrichus sulcatus coleoptera scolytidae



Canadian Entomologist 115(1): 1-6



A Latin square design field experiment using treatment, site, and occasion as main effects was set up in spring 1981 to assess the responses of T. lineatum (Olivier) and G. sulcatus (LeConte) to traps baited with the pheromones lineatin and sulcatol alone, and in combination with each other and with ethanol plus .alpha.-pinene. Addition of sulcatol to either lineatin or lineatin plus ethanol plus .alpha.-pinene resulted in significantly reduced catches of T. lineatum. Addition of ethanol plus .alpha.-pinene to sulcatol or lineatin resulted in significantly greater catches of both sexes of G. sulcatus and T. lineatum. Separate traps can be set out for each species in mass trapping suppression programs in timber processing areas, and ethanol and .alpha.-pinene can be included with the pheromone to maximize catches of both of these ambrosia beetle species.

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Accession: 004575308

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