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 R3 is hydrogen R4 is independently hydrogen, cyano, cyano-C1-C8alkyl, C1-C8alkyl, C1-C8haloalkyl, C3-C8cycloalkyl, C3-C8cycloalkyl where one carbon atom is replaced by O, S, S(O) or SO2, or C3- Cgcycloalkyl-C1-C8alkyl, C3-C8cycloalkyl-C1-C8alkyl where one carbon atom in the cycloalkyl group is replaced by O, S, S(O) or SO2, or C3-C8cycloalkyl-C1-C8haloalkyl, C1-C8hydroxyalkyl, C1-C8alkoxy-C1-C8alkyl, C2-C8alkenyl, C2-C8haloalkenyl, C2-C8alkynyl, C2-C8haloalkynyl, phenyl, phenyl substituted by one to three R6, phenyl-C1-C4alkyl, phenyl-C1-C4alkyl wherein the phenyl moiety is substituted by one to three R6, 5-6 membered heteroaryl-C1-C4alkyl or 5-6 membered heteroaryl-C1-C4alkyl wherein the heteroaryl moiety is substituted by one to three R6, or C1-C4alkyl-(C1-C4alkyl-O-N=)C-CH2- each R6 is independently halogen, cyano, nitro, C1-C8alkyl, C1-C8haloalkyl, C1-C8alkoxy, or C1- C8haloalkoxy 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 hydrogen, halogen, cyano, nitro, NH2, C1-C2alkyl, C1-C2haloalkyl, C3-C5cycloalkyl, C1- C2halocycloalkyl, C1-C2alkoxy, C1-C2haloalkoxy or Y1 is CR7, and R5 and R7 together form a - CH=CH-CH=CH- bridge or a -N=CH-CH=CH- bridge 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, difhioromethyl or chlorodifluoromethyl. or a salt or N-oxide thereof. The invention also provides intermediates useful for the preparation of compounds of formula I, as well as methods of controlling insects, acarines, nematodes or molluscs using the compounds of formula I.La présente invention porte sur des composés de formule (I), dans laquelle G1 représente latome doxygène R1 représente latome dhydrogène R2 repr
