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Related Experiment Videos

R Lange1, D Hoffmann1, M Weissinger1

  • 1Abteilung Biologische Schädlingsbekämpfung, Forstzoologisches Institut der Universität Freiburg, Freiburg, Deutschland.

Oecologia
|March 18, 2017
PubMed
Summary
This summary is machine-generated.

Male pine shoot moth (Rhyacionia buoliana) activity is restricted to early evening, even when exposed to female pheromones. Light intensity influences male attraction timing, with plantation-based extracts attracting males earlier than those in aisles.

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Area of Science:

  • Entomology
  • Chemical Ecology
  • Insect Behavior

Context:

  • The pine shoot moth (Rhyacionia buoliana) is a significant pest impacting conifer forests.
  • Understanding the mating behavior and pheromone communication of R. buoliana is crucial for effective pest management strategies.
  • Previous research indicates temporal limitations in male moth flight activity.

Purpose:

  • To investigate the precise timing of male Rhyacionia buoliana flight activity in response to female pheromones.
  • To determine the influence of environmental factors, specifically light intensity, on male moth attraction.
  • To identify the temporal window for effective pheromone-based monitoring and control of R. buoliana.

Summary:

  • Male Rhyacionia buoliana exhibit peak flight and attraction to female pheromones exclusively during a narrow early evening period.

Related Experiment Videos

  • Even with continuous 24-hour exposure to female abdominal extracts, male flight activity remains restricted to late afternoon and dusk.
  • Males can be attracted to pheromone extracts prior to natural female scent release and the onset of general male flight, suggesting a proactive response.
  • On clear evenings, pheromone extracts in plantations attract males earlier than those in aisles, correlating with higher light intensity in open areas.

    • Impact:

    • Provides critical temporal data for optimizing the deployment of pheromone traps for R. buoliana monitoring and control.
    • Enhances understanding of insect circadian rhythms and environmental cueing in chemical communication.
    • Informs the development of more precise and effective integrated pest management programs for pine shoot moth infestations.