ArticlePest management science2026
Dietary restriction induces persistent multigenerational phenotypic effects in Phytoseiulus persimilis.
Article in Pest management science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTransgenerational phenotypic plasticity (TGP) allows environmental effects to persist across generations, yet the extent of diet-induced TGP remains incompletely resolved. Prey availability is a key determinant of predator performance in both mass-rearing and field environments, potentially influencing the reliability of pest suppression. Here, we examined how ancestral dietary restriction affects life-history traits in the predatory mite Phytoseiulus persimilis, a widely used biological control agent of the two-spotted spider mite Tetranychus urticae.
resultsFounding (F
conclusionPoor ancestral diet can exert persistent, sex-specific effects on predator performance even after multiple generations of favorable conditions, with maternal influences generally stronger than paternal effects. These findings highlight the complexity of TGP and the importance of considering multigenerational dietary legacies in mass-rearing and field deployment of predatory mites. Optimizing diet during rearing and accounting for ancestral nutritional history may enhance the consistency and effectiveness of biological control programs. © 2026 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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