Repellency and toxicity of long-lasting insecticide-treated bed nets (LLINs) to bed bugs
2025

Effects of Insecticide-Treated Bed Nets on Bed Bugs

Sample size: 180 publication 10 minutes Evidence: high

Author Information

Author(s): Christopher C. Hayes, Coby Schal

Primary Institution: Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, North Carolina, United States of America

Hypothesis

Do long-lasting insecticide-treated nets (LLINs) repel or kill bed bugs?

Conclusion

The study found that LLINs do not repel or effectively eliminate bed bug infestations, which may contribute to increased insecticide resistance.

Supporting Evidence

  • LLINs did not show olfactory or contact repellency to bed bugs.
  • Bed bugs showed significant attraction to one type of LLIN (PermaNet Dual).
  • Insecticide-resistant bed bugs had lower mortality rates on LLINs compared to insecticide-susceptible ones.

Takeaway

This study shows that bed bugs are not scared away by treated bed nets and can survive on them, which is a problem for controlling these pests.

Methodology

The study used olfactometer assays to test bed bug responses to various LLINs and assessed mortality rates after continuous exposure.

Potential Biases

Potential bias due to the use of only one species of bed bug (Cimex lectularius) in the study.

Limitations

The sample size for individual assays was limited, which may affect the robustness of the findings.

Participant Demographics

The study focused on two populations of bed bugs: one insecticide-susceptible and one insecticide-resistant.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0313595

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication