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14 March 2025 Trap Catches of Bark Beetle Predators Unaffected by the Ips Pheromone Lanierone in Southeastern United States
D.R. Miller, C. Asaro
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Abstract

In 2003–2004, a trapping study with multiple-funnel traps was conducted in Florida, Georgia, North Carolina, and Louisiana to evaluate the effects of the bark beetle pheromones ipsenol, ipsdienol, and lanierone on catches of bark beetles and associated species. The results on bark and ambrosia beetles have been reported previously. Herein, we report on the responses of predators in the same study. Ipsenol and/or ipsdienol attracted several species of coleopteran predators: Enoclerus nigripes (Say) (Cleridae); Temnoscheila virescens (F.) (Trogossitidae); Lasconotus species (Zopheridae); Corticeus species (Tenebrionidae); and Platysoma attenuatum LeConte, Platysoma cylindricum (Paykull), and Platysoma parallelum (Say) (Histeridae). Lanierone was not attractive alone, nor did it enhance trap catches of any of these predator species. In Georgia, lanierone interrupted attraction of E. nigripes to traps baited with ipsenol. We highlight that the use of lanierone appears to be restricted to three Ips species in the subgenus Ips (Bonips). Further research on the general role of lanierone in the chemical ecology of bark beetles and predators should be conducted over a broad geographic range.

D.R. Miller and C. Asaro "Trap Catches of Bark Beetle Predators Unaffected by the Ips Pheromone Lanierone in Southeastern United States," Journal of Entomological Science 60(2), 211-224, (14 March 2025). https://doi.org/10.18474/JES24-13
Received: 27 January 2024; Accepted: 9 March 2024; Published: 14 March 2025
KEYWORDS
bark beetles
ipsdienol
ipsenol
lanierone
predators
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