title: Sublethal effects of spinetoram on the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae).
abstract: The two-spotted spider mite Tetranychus urticae is a serious pest of many agricultural crops and ornamental plants. The sublethal effects of a new chemical, spinetoram, on T. urticae were investigated by treating adult females and eggs with LC10 and LC20 in the laboratory. The data were assessed based on age-stage, two-sex life table analysis. The results showed that T. urticae developmental time from egg to adult was reduced and that fecundity was increased by treatment with LC10 and LC20 of spinetoram. The LC10 and LC20 of spinetoram also increased the intrinsic and finite rate of increase and the net reproductive rate and reduced the mean generation time, egg duration, and larval duration whether eggs or adult females were treated. These laboratory results suggest that sublethal or lethal doses of spinetoram may cause outbreaks of T. urticae.
authors: Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
authors: Ling
authors: L
authors: Wang
authors: Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
authors: Youjun
authors: Y
authors: Zhang
authors: Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
authors: Wen
authors: W
authors: Xie
authors: Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
authors: Qingjun
authors: Q
authors: Wu
authors: Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: wangshaoli@caas.cn.
authors: Shaoli
authors: S
authors: Wang
mesh_terms: D056810:Acaricides / Q000494:pharmacology*; D000367:Age Factors; D000818:Animals; D001681:Biological Assay; D005260:Female; D018942:Macrolides / Q000494:pharmacology*; D008297:Male; D010063:Ovum / Q000187:drug effects; D040102:Tetranychidae / Q000187:drug effects* / Q000254:growth & development
chemical_list: D056810:Acaricides; D018942:Macrolides; C548262:spinetoram
keywords: Life table; Spinetoram; Sublethal effects; Tetranychus urticae