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Related Experiment Video

Updated: Jan 15, 2026

Bioassays for Monitoring Insecticide Resistance

Bioassays for Monitoring Insecticide Resistance

Published on: December 30, 2010

Current Status and Future Prospects of Contact Insecticides in Stored-Product Protection.

Manoj K Nayak¹, Christos G Athanassiou², Vaclav Stejskal³

¹Postharvest Commodity Protection Program, Queensland Department of Primary Industries, Ecosciences Precinct, Brisbane, Queensland, Australia;

Annual Review of Entomology

|October 13, 2025

Summary

Contact insecticides are declining in postharvest pest management due to insect resistance and stricter regulations. Future use depends on strategic integration and further research for the grain industry.

Keywords:

aerosols contact insecticides grain protectants residual structural treatments resistance management stored-product pests

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Area of Science:

Agricultural Science
Entomology
Pest Management

Background:

Contact insecticides have been crucial for postharvest stored commodity pest management.
Their usage has declined over recent decades, necessitating a review of their current status and future viability.

Purpose of the Study:

To review literature on contact insecticides in postharvest protection.
To identify reasons for declining use and explore future opportunities for the grain industry.

Main Methods:

Literature synthesis and review.
Analysis of factors limiting current use, including pesticide resistance and regulatory pressures.
Exploration of integration strategies with existing pest management programs.

Main Results:

Insect resistance to conventional pesticides is a primary driver of declining use.
Stricter regulatory requirements, influenced by consumer concerns over residues, further limit application.
Opportunities exist for strategic integration into fumigation-dominated pest management.

Conclusions:

The decline in contact insecticide use is linked to resistance and regulations.
Strategic integration into current pest management offers a pathway for continued use.
Further research is needed to support their future application in the grain industry.