The present invention provides compounds of formula (I) wherein P is P0, heterocyclyl or heterocyclyl substituted by one to five Z； Y 1 , Y 2 , Y 3 and Y 4 are independently of each other C-H, C-R 5 , or nitrogen； G 1 is oxygen or sulfur； X 4 is C 1 -C 8 haloalkyl； R 4 is aryl or aryl substituted by one to five R 9 , or heteroaryl or heteroaryl substituted by one to five R 9 ； and R 1 , R 2 , R 4 , R 5 , R 9 and Z are as defined in the claims. The invention also provides compositions comprising the compounds of formula(I), intermediates useful in the preparation of compoudns of formula (I) and methods of using the compounds of formula (I) to control insects, acarines, nematodes or molluscs.
