The present invention provides compounds of formula I wherein G1 is oxygen R1 is hydrogen R2 is group P L is a bond, methylene or ethylene one of A1 and A2 is S, SO or SO2 and the other is -C(R4)R4- R3 is hydrogen or methyl each R4 is independently hydrogen or methyl Y1, Y2 and Y3 are independently CH or nitrogen wherein no more than two of Y1, Y2 and Y3 are nitrogen and wherein Y2 and Y3 are not both nitrogen R5 is chloro, bromo, fluoro X2 is C-X6 or nitrogen X1, X3 and X6 are independently hydrogen, halogen or trihalomethyl, wherein at least two of X1, X3 and X6 are not hydrogen X4 is trifluoromethyl, difluoromethyl or chlorodifluoromethyl.The invention also relates to methods of using the compounds to control insects, acarines, nematodes or molluscs, as well as intermediates usefor the the sysnthesis of the compounds.本發明提供了具有式I的化合物其中G1係氧;R1係氫;R2係基團P L係鍵、亞甲基或伸乙基;A1與A2中之一係S、SO或SO2並且另一個係-C(R4)R4-;R3係氫或甲基;每個R4獨立地是氫或甲基;Y1、Y2與Y3獨立地是CH或氮;其中Y1、Y2與Y3中不多於兩個係氮並且其中Y2與Y3兩者不都是氮;R5係氯、溴、氟;X2係C-X6或氮;X1、X3與X6獨立地是氫、鹵素或三鹵甲基,其中X1、X3與X6中至少兩個不是氫;X4係三氟甲基、二氟甲基或氯二氟甲基。本發明還涉及使用該等化合物控制昆蟲、蟎、線蟲或軟體動物之方法,以及對該等化合物的合成有用的中間物。
