Sustainable Control Strategies for Thrips in Agricultural Crops: A Review

Abstract

Sustainable farming faces an ongoing challenge from thrips, which are widespread agricultural pests that cause severe crop damage and spread harmful plant viruses. The overuse of chemical pesticides has backfired, leading to pest resistance, leaving toxic residues in the soil, and harming beneficial organisms, highlighting the need for eco-friendly alternatives for thrips management. Using biological controls offers a reliable path forward by capitalising on the natural interaction between predatory insects and plant-derived compounds. Beneficial organisms, such as Amblyseius swirskii (predatory mites) and minute pirate bugs, work alongside a variety of parasitoids to control thrips populations naturally. Furthermore, microscopic allies such as beneficial nematodes and specialised fungi (Beauveria bassiana and Metarhizium anisopliae) can be deployed to target pests at vulnerable points in their life cycles. Turning to botanical sprays, such as tobacco and neem-derived azadirachtin, also allows farmers to reduce dependency on synthetic chemical treatment. Combining these biological agents and botanical extracts into a unified Integrated Pest Management (IPM) model helps growers protect their crop yields, reduce chemical footprints, and build long-term agricultural resilience.