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This study investigates the estimated mean number of subcortical insect species captured in funnel traps over the years 2001 to 2003. Key species such as Dryocoetes spp., Ips perturbatus, and Dendroctonus valens were examined alongside their associated pheromones. The analysis of traps unbaited and with varying treatments highlights the population dynamics of woodboring insects, contributing valuable insights for forest management and pest control strategies.
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90 I. grandicollis Dryocoetes spp. I. perroti-(+)-Ipsdienol D. valens 80 Woodborers I. pini Unbaited 70 I. perturbatus I. perroti-(–)-Ipsdienol 60 D. simplex D. rufipennis 50 Estimated Mean No. of Subcortical Insect Species in Funnel Traps in 2001-2003 D. valens-Phero Tech 40 30 20 10 0 3000 6000 9000 12000 0 Total Number of Sub-samples