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Temperature stress deteriorates bed bug (Cimex lectularius) populations through decreased survival, fecundity and offspring success

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  • Bjørn Arne Rukke
  • Ranjeni Sivasubramaniam
  • Tone Birkemoe
  • Anders Aak

Abstract

Sublethal heat stress may weaken bed bug infestations to potentially ease control. In the present study, experimental populations exposed to 34, 36 or 38°C for 2 or 3 weeks suffered significant mortality during exposure. Among survivors, egg production, egg hatching, moulting success and offspring proliferation decreased significantly in the subsequent 7 week recovery period at 22°C. The overall population success was negatively impacted by increasing temperature and duration of the stress. Such heat stress is inadequate as a single tool for eradication, but may be included as a low cost part of an integrated pest management protocol. Depending on the time available and infestation conditions, the success of some treatments can improve if sublethal heat is implemented prior to the onset of more conventional pest control measures.

Suggested Citation

  • Bjørn Arne Rukke & Ranjeni Sivasubramaniam & Tone Birkemoe & Anders Aak, 2018. "Temperature stress deteriorates bed bug (Cimex lectularius) populations through decreased survival, fecundity and offspring success," PLOS ONE, Public Library of Science, vol. 13(3), pages 1-16, March.
    • Handle: RePEc:plo:pone00:0193788
    DOI: 10.1371/journal.pone.0193788
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