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March 13, 2026Journal of Pest ScienceOpen Access

Clove-derived eugenol induces strong avoidance behaviour in the invasive fruit fly, Drosophila suzukii

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Authors

SBSteve B. S. BalebaInternational Centre of Insect Physiology and EcologyVOVictor O. OmondiInternational Centre of Insect Physiology and EcologySMSamira A. MohamedInternational Centre of Insect Physiology and Ecology

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Implication

Behavioral assays show that eugenol from clove repels Drosophila suzukii, indicating its potential for pest management.

Key Points

  • This study aims to explore the effects of clove-derived eugenol on the behavior and fitness of Drosophila suzukii.
  • Conducted behavioral assays to observe aversion in Drosophila suzukii adults
  • Analyzed fitness impacts on larval growth, adult weight, emergence rate, and lifespan
  • Used gas chromatography-mass spectrometry to identify eugenol in clove
  • Performed molecular docking and electrophysiological recordings on odorant receptors
  • Screened eugenol analogues for potential repellent properties
  • Adults exhibited strong avoidance to grapes treated with clove extract
  • Gravid females laid fewer eggs on treated fruit
  • Clove exposure reduced larval growth and adult weight
  • Emergence rates and lifespans were significantly shortened
  • Eugenol strongly bound to DsuzOR88a and DsuzOR69aA receptors

Cite This Study

Baleba et al. (2026) studied this question.

synapsesocial.com/papers/69b3ac7002a1e69014cce264https://doi.org/10.1007/s10340-026-02028-y
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