Use of Tetramic Acid Derivatives for Controlling Insects from the Genus of the Plane Lice (Sternorrhyncha)

1 . A method for controlling insects from the suborder of the plant lice ( Sternorrhyncha ) comprising contacting said insects with a compound of the formula (I)

in which

X represents halogen, alkyl, alkoxy, haloalkyl, haloalkoxy or cyano,

W, Y and Z independently of one another represent hydrogen, halogen, alkyl, alkoxy, haloalkyl, haloalkoxy or cyano,

A represents hydrogen, in each case optionally halogen-substituted alkyl, alkoxyalkyl, or saturated, optionally substituted cycloalkyl in which optionally at least one ring atom is replaced by a heteroatom,

B represents hydrogen or alkyl, or

A and B together with the carbon atom to which they are attached represent a saturated or unsaturated, unsubstituted or substituted cycle which optionally contains at least one heteroatom,

G represents hydrogen (a) or represents one of the groups

in which

E represents a metal ion or an ammonium ion,

L represents oxygen or sulphur,

M represents oxygen or sulphur,

R 1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or optionally halogen-, alkyl- or alkoxy-substituted cycloalkyl which may be interrupted by at least one heteroatom, or represents in each case optionally substituted phenyl, phenylalkyl, hetaryl, phenoxyalkyl or hetaryl-oxyalkyl,

R 2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or represents in each case optionally substituted cycloalkyl, phenyl or benzyl,

R 3 represents optionally halogen-substituted alkyl or optionally substituted phenyl,

R 4 and R 5 independently of one another represent in each case optionally halogen-substituted alkyl, alkoxy, alkylamino, dialkylamino, alkylthio, alkenylthio, cycloalkylthio or represent in each case optionally substituted phenyl, benzyl, phenoxy or phenylthio and

R 6 and R 7 independently of one another represent hydrogen, in each case optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxy, alkoxyalkyl, represent optionally substituted phenyl, represent optionally substituted benzyl or together with the nitrogen atom to which they are attached represent an optionally substituted ring which is optionally interrupted by oxygen or sulphur,

in the form of their isomer mixtures or pure isomers.

2 . The method according to claim 1 ,

wherein

W represents hydrogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, chlorine, bromine or fluorine,

X represents C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkyl, fluorine, chlorine or bromine,

Y and Z independently of one another represent hydrogen, C 1 -C 4 -alkyl, halogen, C 1 -C 4 -alkoxy or C 1 -C 4 -haloalkyl,

A represents hydrogen or in each case optionally halogen-substituted C 1 -C 6 -alkyl or C 3 -C 8 -cycloalkyl,

B represents hydrogen, methyl or ethyl, or

A, B and the carbon atom to which they are attached represent saturated C 3 -C 6 -cycloalkyl in which optionally one ring member is replaced by oxygen or sulphur and which is optionally mono- or disubstituted by C 1 -C 4 -alkyl, trifluoromethyl or C 1 -C 4 -alkoxy,

G represents hydrogen (a) or represents one of the groups

in which

E represents a metal ion or an ammonium ion,

L represents oxygen or sulphur and

M represents oxygen or sulphur,

R 1 represents in each case optionally halogen-substituted C 1 -C 10 -alkyl, C 2 -C 10 -alkenyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkylthio-C 1 -C 4 -alkyl or optionally fluorine-, chlorine-, C 1 -C 4 -alkyl- or C 1 -C 2 -alkoxy-substituted C 3 -C 6 -cycloalkyl,

represents optionally fluorine-, chlorine-, bromine-, cyano-, nitro-, C 1 -C 4 -alkyl-, C 1 -C 4 -alkoxy-, trifluoromethyl- or trifluoromethoxy-substituted phenyl, or

represents in each case optionally chlorine- or methyl-substituted pyridyl or thienyl,

R 2 represents in each case optionally fluorine- or chlorine-substituted C 1 -C 10 -alkyl, C 2 -C 10 -alkenyl, C 1 -C 4 -alkoxy-C 2 -C 4 -alkyl,

represents optionally methyl- or methoxy-substituted C 5 -C 6 -cycloalkyl or

represents in each case optionally fluorine-, chlorine-, bromine-, cyano-, nitro-, C 1 -C 4 -alkyl-, C 1 -C 4 -alkoxy-, trifluoromethyl- or trifluoromethoxy-substituted phenyl or benzyl,

R 3 represents optionally fluorine-substituted C 1 -C 4 -alkyl or represents optionally fluorine-, chlorine-, bromine-, C 1 -C 4 -alkyl-, C 1 -C 4 -alkoxy-, trifluoromethyl-, trifluoromethoxy-, cyano- or nitro-substituted phenyl,

R 4 represents in each case optionally fluorine- or chlorine-substituted C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylamino, C 1 -C 4 -alkylthio or represents in each case optionally fluorine-, chlorine-, bromine-, nitro-, cyano-, C 1 -C 4 -alkoxy-, trifluoromethoxy-, C 1 -C 4 -alkylthio-, C 1 -C 4 -haloalkylthio-, C 1 -C 4 -alkyl- or trifluoromethyl-substituted phenyl, phenoxy or phenylthio,

R 5 represents C 1 -C 4 -alkoxy or C 1 -C 4 -thioalkyl,

R 6 represents C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, C 1 -C 6 -alkoxy, C 3 -C 6 -alkenyl or C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl,

R 7 represents C 1 -C 6 -alkyl, C 3 -C 6 -alkenyl or C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, or

R 6 and R 7 together represent an optionally methyl- or ethyl-substituted C 3 -C 6 -alkylene radical in which optionally one carbon atom is replaced by oxygen or sulphur,

in the form of their isomer mixtures or pure isomers.

3 . The method according to claim 1 ,

wherein

W represents hydrogen, methyl, ethyl, chlorine, bromine or methoxy,

X represents chlorine, bromine, methyl, ethyl, propyl, isopropyl, methoxy, ethoxy or trifluoromethyl,

Y and Z independently of one another represent hydrogen, fluorine, chlorine, bromine, methyl, ethyl, propyl, isopropyl, trifluoromethyl or methoxy,

A represents methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclopentyl or cyclohexyl,

B represents hydrogen, methyl or ethyl, or

A, B and the carbon atom to which they are attached represent saturated C 6 -cycloalkyl in which optionally one ring member is replaced by oxygen and which is optionally monosubstituted by methyl, ethyl, trifluoromethyl, methoxy, ethoxy, propoxy or butoxy,

G represents hydrogen (a) or represents one of the groups

in which

M represents oxygen or sulphur,

R 1 represents C 1 -C 8 -alkyl, C 2 -C 4 -alkenyl, methoxymethyl, ethoxymethyl, ethylthiomethyl, cyclopropyl, cyclopentyl or cyclohexyl, or

represents phenyl which is optionally mono- or disubstituted by fluorine, chlorine, bromine, cyano, nitro, methyl, ethyl, methoxy, trifluoromethyl or trifluoromethoxy,

or represents in each case optionally chlorine- or methyl-substituted pyridyl or thienyl,

R 2 represents C 1 -C 8 -alkyl, C 2 -C 4 -alkenyl, methoxyethyl, ethoxyethyl or represents phenyl or benzyl,

R 6 and R 7 independently of one another represent methyl, ethyl or together represent a C 5 -alkylene radical in which the C 3 -methylene group is replaced by oxygen,

in the form of their isomer mixtures or pure isomers.

4 . The method according to claim 1 ,

wherein

W represents hydrogen or methyl,

X represents chlorine, bromine or methyl,

Y and Z independently of one another represent hydrogen, chlorine, bromine or methyl,

A, B and the carbon atom to which they are attached represent saturated C 6 -cycloalkyl in which optionally one ring member is replaced by oxygen and which is optionally monosubstituted by methyl, trifluoromethyl, methoxy, ethoxy, propoxy or butoxy,

G represents hydrogen (a) or represents one of the groups

in which

M represents oxygen or sulphur,

R 1 represents C 1 -C 8 -alkyl, C 2 -C 4 -alkenyl, methoxymethyl, ethoxymethyl, ethylthiomethyl, cyclopropyl, cyclopentyl, cyclohexyl or

represents phenyl which is optionally monosubstituted by fluorine, chlorine, bromine, methyl, methoxy, trifluoromethyl, trifluoromethoxy, cyano or nitro, or

represents in each case optionally chlorine- or methyl-substituted pyridyl or thienyl,

R 2 represents C 1 -C 8 -alkyl, C 2 -C 4 -alkenyl, methoxyethyl, ethoxyethyl, phenyl or benzyl,

R 6 and R 7 independently of one another represent methyl, ethyl or together represent a C 5 -alkylene radical in which the C 3 -methylene group is replaced by oxygen,

in the form of their isomer mixtures or pure isomers.

5 . The method according to claim 1 , wherein said compound is a compound of the formula (I)

wherein the substituents W, X, Y, Z, R and G are as defined in the table:

W

X

Y

Z

R

G

H

Br

H

CH 3

OCH 3

CO-i-C 3 H 7

H

Br

H

CH 3

OCH 3

CO 2 —C 2 H 5

H

CH 3

H

CH 3

OCH 3

H

H

CH 3

H

CH 3

OCH 3

CO 2 —C 2 H 5

CH 3

CH 3

H

Br

OCH 3

H

CH 3

CH 3

H

Cl

OCH 3

H

H

Br

CH 3

CH 3

OCH 3

CO-i-C 3 H 7

H

CH 3

Cl

CH 3

OCH 3

CO 2 C 2 H 5

CH 3

CH 3

CH 3

CH 3

OCH 3

H

CH 3

CH 3

H

Br

OC 2 H 5

CO-i-C 3 H 7

H

CH 3

CH 3

CH 3

OC 2 H 5

CO-n-C 3 H 7

H

CH 3

CH 3

CH 3

OC 2 H 5

CO-i-C 3 H 7

H

CH 3

CH 3

CH 3

OC 2 H 5

CO-c-C 3 H 5

6 . A method according to claim 1 , wherein said insect is from the family of the gall-making aphids (Pemphigidae).

7 . A method according to claim 1 , wherein said insect is from the family of the phylloxerans (Phylloxeridae).

8 . A method according to claim 1 , wherein said insect is from the family of the jumping plant lice (Psyllidae).

9 . A method according to claim 1 , wherein said insect is from the family of the soft scales (Coccidae).

10 . A method according to claim 1 , wherein said insect is from the family of the armoured scales (Diaspididae).

11 . A method according to claim 1 , wherein said insect is from the family of the ensign coccids (Ortheziidae).

12 . A method according to claim 1 , wherein said insect is from the family of the mealy bugs (Pseudococcidae).

13 . A method according to claim 1 , wherein said insect is from the family of the whiteflies (Aleyrodidae) other than the whiteflies Bemisia tabaci (Aleyrodidae) on cotton.

14 . A method according to claim 1 for controlling Myzus spp. in tobacco, cereals, stone fruit, soft fruit, fruit vegetables, leafy vegetables, tuber and root vegetables, melons, potatoes, beet, oilseed rape or ornamental plants.

15 . A method according to claim 1 for controlling Aphis spp. in tobacco, citrus fruit, pomme fruit, stone fruit, cereals, melons, beet, soft fruit, oilseed rape, fruit vegetables, leafy vegetables, brassica vegetables, tuber and root vegetables, ornamental plants, potatoes or cucurbits.

16 . A method according to claim 1 for controlling Rhodobium porosum in strawberries.

17 . A method according to claim 1 for controlling Nasonovia ribisnigri in leafy vegetables.

18 . A method according to claim 1 for controlling Dysaphis spp. in pomme fruit.

19 . A method according to claim 1 for controlling Macrosiphum spp. in ornamental plants, cereals, potatoes, leafy vegetables, brassica vegetables and fruit vegetables or strawberries.

20 . A method according to claim 1 for controlling Rhopalosiphum padi, Sitobion avenae, Methopolophium dirhodum , or Brachycolus noxius in cereals.

21 . A method according to claim 1 for controlling Phorodon humuli in hops.

22 . A method according to claim 1 for controlling Brachycaudus helychrisii in stone fruit.

23 . A method according to claim 1 for controlling Toxoptera spp. in citrus fruit, stone fruit, almonds, nuts, cereals or spices.

24 . A method according to claim 1 for controlling Aulacorthum spp. in citrus fruit, potatoes, fruit vegetables or leafy vegetables.