Effects of Sublethal Concentrations of Pyridaben on Development, Reproduction, and Vg Gene Expression in Neoseiulus womersleyi.

ABSTRACT: The predatory mite Neoseiulus womersleyi is a key natural enemy in Integrated Pest Management (IPM), but its efficacy is threatened by non-target effects of acaricides like pyridaben. This study evaluated the transgenerational sublethal effects of pyridaben (LC₃₀ and LC₅₀) on N. womersleyi and explored the role of vitellogenin (Vg) genes. Using two-sex life table analysis, we found that exposure reduced longevity, fecundity, and oviposition period in F₀ females, while prolonging immature development and suppressing population growth parameters (r, λ) in F₁. Two Vg genes (NwVg1 and NwVg2) were cloned and characterized; their expression was significantly downregulated by pyridaben. RNAi-mediat

SUBMITTER: Wei J 

PROVIDER: S-EPMC12841668 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature