Pesticidally active substituted 5,5-bicyclic heterocycles with sulphur containing substituents

A compound of the formula I

• wherein
• X1 and X2, independently of each other, are N or C—R5, wherein R5 is hydrogen, C1-C4alkyl, halogen, cyano or C1-C4alkoxy;
• X3 is O, S or N—R6, wherein R6 is hydrogen or C1-C4alkyl;
• R2 is halogen, C1-C4haloalkyl, or C1-C4haloalkyl substituted by one or two substituents selected from the group consisting of hydroxyl, methoxy and cyano;
• or
• R2 is C1-C4haloalkylthio, C1-C4haloalkylsulfonyl, O(C1-C4haloalkyl), SFS, phenylcarbonylthio, cyano, mercapto, or C1-C4alkoxycarbonyl;
• R3 is hydrogen, C1-C4alkyl, C1-C4haloalkyl, halogen, cyano or C1-C4alkoxy;
• Q is a radical selected from the group consisting of formula Q1 to Q6:
• wherein the arrow denotes the point of attachment to the 5,5-bicyclic heteroaromatic system;
• and wherein X is S, SO or SO2;
• each R is, independently from each other, hydrogen, halogen or C1-C4haloalkyl;
• R1 is C1-C4alkyl, C1-C4haloalkyl, C3-C6cycloalkyl, C3-C6cycloalkyl-C1-C4alkyl, C3-C6halocycloalkyl, C2-C6alkenyl, C2-C6haloalkenyl or C2-C6alkynyl;
• and
• R4 is hydrogen or halogen;
• and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds.