Capture of Xylosandrus crassiusculus and Other Scolytinae (Coleoptera: Curculionidae) in Response to Visual and Volatile Cues

Authors

  • Austin M. Gorzlancyk
  • David W. Held
  • Dong-Joo Kim
  • Christopher M. Ranger

Abstract

In Jun and Jul 2011 traps were deployed in Tuskegee National Forest, Macon County, Alabama to test the influence of chemical and visual cues on the capture of bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae). The first experiment investigated the attractiveness of traps baited with different ratios of ethanol to methanol (0:100, 25:75, 50:50, 75:25, 100:0). No differences occurred in total Scolytinae trap captures for any of the various ratios of ethanol to methanol. The second experiment tested the attractiveness of ethanolbaited traps supplemented with light emitting diodes (LED) of various wavelengths to Scolytinae. Ethanol-baited traps supplemented with UV (395 nm) and green (525 nm) LEDs were more attractive than traps baited only with ethanol, but they were not more attractive than ethanol-baited traps supplemented with blue (470 nm) and red (625 nm) LEDs. This study indicates ethanol-baited traps supplemented with UV or green LEDs would be useful for detecting various Scolytinae.

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Published

2013-09-19

Issue

Vol. 96, No. 3 (September 2013)

Section

Research Papers

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