Hydrogels: From Controlled Release to a New Bait Delivery for Insect Pest Management

Author:

Tay Jia-Wei1ORCID,Choe Dong-Hwan2,Mulchandani Ashok34,Rust Michael K2

Affiliation:

1. Urban Entomology Laboratory, Department of Plant and Environmental Protection Sciences, University of Hawaii at Manoa, Honolulu, HI

2. Department of Entomology, Riverside, CA

3. Department of Chemical Engineering, Riverside, CA

4. Materials Science and Engineering Program, University of California Riverside, Riverside, CA

Abstract

AbstractHere, we review the literature on the development and application of hydrogel compounds for insect pest management. Researchers have used hydrogel compounds for the past few decades to achieve the controlled release of various contact insecticides, but in recent years, hydrogel compounds have also been used to absorb and deliver targeted concentrations of toxicants within a liquid bait to manage insect pests. The highly absorbent hydrogel acts as a controlled-release formulation that keeps the liquid bait available and palatable to the target pests. This review discusses the use of various types of hydrogel compounds in pest management based on different environmental settings (e.g., agricultural, urban, and natural areas), pest systems (e.g., different taxa), and modes of insecticide delivery (e.g., spray vs bait). Due to their unique physicochemical properties, hydrogel compounds have great potential to be developed into new and efficacious pest management strategies with minimal environmental impact. We will also discuss the future research and development of hydrogels in this review.

Funder

National Institute of Food and Agriculture

U.S. Department of Agriculture

Agricultural Research Service

University of Hawaii

Publisher

Oxford University Press (OUP)

Subject

Insect Science,Ecology,General Medicine

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