Compounds of the formula in which the symbols are each defined as follows: X is oxygen or sulphur, R 1 is hydrogen or halogen, Y is oxygen or sulphur, Q is -NR 2 R 3, R 2 is hydrogen, C 1 -C 3 -alkyl, C 2 -C 3 -alkenyl, C 2 -C 3 -alkynyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 3 -haloalkyl, C 2 -C 3 -haloalkenyl, cyano, hydroxyl, C 1 -C 3 -alkoxy, C 2 -C 3 -alkoxyalkyl, C 1 -C 3 -hydroxyalkyl, C 2 -C 3 -alkylcarbonyl, C 2 -C 3 -alkoxycarbonyl, C 2 -C 3 -alkylaminocarbonyl or C 3 -C 5 -dialkylaminocarbonyl, R 3 is an 8- to 11-membered, unsubstituted or substituted, saturated or partly saturated bicyclic ring system or is a 10- to 15-membered, unsubstituted or substituted, saturated or partly saturated tricyclic ring system; each ring system may optionally contain one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to three nitrogen atoms) and optionally one to three ring members which may be selected from the group of C(=O), C(=S), S(=O) and S(=O) 2 or R 2 and R 3 form, together with the nitrogen atom to which they are bonded, a 5- or 6-membered, unsubstituted or substituted, saturated or partly saturated heterocyclyl radical or R 3 is -CR 4 R 5 R 6, R 4 is hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 6 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 2 -C 6 -haloalkynyl, C 3 -C 6 -halocycloalkyl, cyano, nitro, C 2 -C 4 -alkoxyalkyl, C 1 -C 4 -hydroxyalkyl, C 2 -C 4 -alkylcarbonyl, C 2 -C 6 -alkoxycarbonyl, C 2 -C 6 -alkylaminocarbonyl, C 3 -C 8 -dialkylaminocarbonyl or C 3 -C 6 -trialkylsilyl, R 5 is unsubstituted or substituted phenyl, benzyl, naphthalenyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl or a 5- or 6-membered heteroaryl radical, R 6 is hydrogen, C 1 -C 4 -alkyl, C 2 -C 4 -alkenyl, C 2 -C 4 -alkynyl, C 3 -C 4 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 4 -haloalkyl, C 2 -C 4 -haloalkenyl, C 2 -C 4 -haloalkynyl, C 3 -C 4 -halocycloalkyl or C 2 -C 4 -alkoxyalkyl, or R 2 and R 4 form, together with the atoms to which they are bonded, a 5- to 7-membered, unsubstituted or substituted ring system consisting of two to seven carbon atoms and optionally one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to two nitrogen atoms), or R 2 and R 5 form, together with the atoms to which they are bonded, a 5- to 7-membered, unsubstituted or substituted ring system consisting of two to seven carbon atoms and optionally one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to two nitrogen atoms), or R 4 and R 6 form, together with the carbon to which they are bonded, a 5- to 7-membered, unsubstituted or substituted ring system consisting of two to seven carbon atoms and optionally one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to one nitrogen atom), or R 4 and R 5 form, together with the carbon to which they are bonded, a 5- to 7-membered, unsubstituted or substituted ring system consisting of two to seven carbon atoms and optionally one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to one nitrogen atom), and agrochemically active salts thereof. X is oxygen or sulphur, R 1 is hydrogen or halogen, Y is oxygen or sulphur, Q is -NR 2 R 3, R 2 is hydrogen, C 1 -C 3 -alkyl, C 2 -C 3 -alkenyl, C 2 -C 3 -alkynyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 3 -haloalkyl, C 2 -C 3 -haloalkenyl, cyano, hydroxyl, C 1 -C 3 -alkoxy, C 2 -C 3 -alkoxyalkyl, C 1 -C 3 -hydroxyalkyl, C 2 -C 3 -alkylcarbonyl, C 2 -C 3 -alkoxycarbonyl, C 2 -C 3 -alkylaminocarbonyl or C 3 -C 5 -dialkylaminocarbonyl, R 3 is an 8- to 11-membered, unsubstituted or substituted, saturated or partly saturated bicyclic ring system or is a 10- to 15-membered, unsubstituted or substituted, saturated or partly saturated tricyclic ring system; each ring system may optionally contain one to three heteroatoms (up to one oxygen atom, up to one sulphur atom and up to three nitrogen atoms) and optionally one to three ring members which may be selected from the group of C(=O), C(=S), S(=O) and S(=O) 2 R 3 is -CR 4 R 5 R 6, R 4 is hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 6 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 2 -C 6 -haloalkynyl, C 3 -C 6 -halocycloalkyl, cyano, nitro, C 2 -C 4 -alkoxyalkyl, C 1 -C 4 -hydroxyalkyl, C 2 -C 4 -alkylcarbonyl, C 2 -C 6 -alkoxycarbonyl, C 2 -C 6 -alkylaminocarbonyl, C 3 -C 8 -dialkylaminocarbonyl or C 3 -C 6 -trialkylsilyl, R 5 is unsubstituted or substituted phenyl, benzyl, naphthalenyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkenyl or a 5- or 6-membered heteroaryl radical, R 6 is hydrogen, C 1 -C 4 -alkyl, C 2 -C 4 -alkenyl, C 2 -C 4 -alkynyl, C 3 -C 4 -cycloalkyl, C 4 -C 10 -cycloalkylalkyl, C 4 -C 10 -alkylcycloalkyl, C 5 -C 10 -alkylcycloalkylalkyl, C 1 -C 4 -haloalkyl, C 2 -C 4 -haloalkenyl, C 2 -C 4 -haloalkynyl, C 3 -C 4 -halocycloalkyl or C 2 -C 4 -alkoxyalkyl,