Catches of longhorn beetles (Coleoptera: Cerambycidae) in traps baited with generic pine beetle lure blend unaffected by Ips pheromones lanierone and cis -verbenol in Georgia

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  • Authors: Miller, Daniel R.
  • Publication Year: 2022
  • Publication Series: Scientific Journal (JRNL)
  • Source: Journal of Entomological Science
  • DOI: 10.18474/JES22-12

Abstract

A generic trap lure blend of host volatiles (ethanol + α-pinene) and Ips bark beetle pheromones (ipsenol + ipsdienol) is effective for detecting numerous species of longhorn beetles (Coleoptera: Cerambycidae) in pine forests of North America. In 2021, the potential benefits of adding two other Ips pheromones (lanierone and cis-verbenol) to traps baited with the pine beetle lure blend were determined in north Georgia. Lanierone and cis-verbenol had no effect on catches of the six cerambycid species captured in the study: Acanthocinus nodosus (F.), A. obsoletus (LeConte), Astylopsis arcuata (LeConte), Monochamus titillator (F.), Neoclytus acuminatus (F.), and Xylotrechus sagittatus Germar. Similarly, neither compound had any effect on catches of some common ambrosia and bark beetles and snout weevils nor on catches of some associated predators, all commonly caught in traps baited with the pine beetle lure blend. In contrast, catches of Ips avulsus Eichhoff and I. grandicollis (Eichhoff) were enhanced by the addition of lanierone, whereas those of I. calligraphus (Germar) and Hylastes tenuis Eichhoff (Curculionidae) were enhanced by the addition of cis-verbenol. The data do not support the addition of lanierone or cis-verbenol to the blend of ethanol + α-pinene + ipsenol + ipsdienol as a trap lure blend for the broad detection of pine longhorn beetles in north Georgia.

  • Citation: Miller, Daniel R. 2022. Catches of longhorn beetles (Coleoptera: Cerambycidae) in traps baited with generic pine beetle lure blend unaffected by Ips pheromones lanierone and cis -verbenol in Georgia . Journal of Entomological Science. 57(4): 603-613. https://doi.org/10.18474/JES22-12.
  • Keywords: Cerambycidae, Curculionidae, Cleridae, Scolytinae, Ips
  • Posted Date: November 9, 2022
  • Modified Date: November 10, 2022

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