PubMed · 2026-04-08
Scientists are developing advanced genetic tools—RNA interference and CRISPR gene editing—to better understand and control western flower thrips, one of the world's most damaging crop pests. While promising, these techniques still face significant practical hurdles before they can be deployed at scale.
RNA interference (RNAi) delivery via injection, feeding, and plant-mediated systems has been demonstrated as technically feasible in western flower thrips, showing growing potential for disrupting pest biology.
CRISPR/Cas9 gene editing has achieved targeted gene knockouts in F. occidentalis affecting insecticide resistance traits and visible genetic markers, confirming genome editing is possible in this species.
Key technical barriers—including inefficient delivery of gene-editing machinery to eggs, the extremely small and fragile nature of thrips eggs, and narrow developmental windows—remain the primary obstacles to practical application.