The non-therapeutic use of compounds of the formula (IB-I) in which G 1 represents N or C-halogen, G 3 represents oxazolinyl, dihydrooxadiazinyl, dihydrodioxazinyl or hydroxypyridyl which is optionally substituted by halogen, cyano, nitro, alkyl, halogenalkyl, cycloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, haloalkylsulfinyl, haloalkylsulfonyl, amino, alkylamino, dialkylamino, alkylcarboxylamino, alkoxy-carbonylamino, alkoxyalkyl, haloalkoxyalkyl, alkenyl, alkynyl, alkylcycloalkyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, pyridyl or pyrimidyl, represents hetaryl from the group consisting of pyrrolyl, pyrazolyl, imidazolyl, 1,2,3-triazolyl, 1,2,4-triazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, 1,2,3-oxadiazolyl, 1,2,4,oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,5-oxadiazolyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,3,4-thiadiazolyl, 1,2,5-thiadiozolyl, pyridyl, pyrimidinyl, pyridazinyl, pyrazinyl, 1,2,3-triazinyl, 1,2,4-triazinyl, 1,3,5-triazinyl, benzofuryl, benzisofuryl, benzothienyl, benzisothienyl, indolyl, isoindolyl, indazolyl, benzothiazolyl, benzisothiazolyl, benzoxazolyl, benzisoxazolyl, benzimidazolyl, 2,1,3-benzoxadiazole, quinolinyl, isoquinolinyl, cinnolinyl, phthalazinyl, quinazolinyl, quinoxalinyl, naphthyridinyl, benzotriazinyl, purinyl, pteridinyl and indolizinyl optionally substituted by halogen, nitro, amino, alkylamino, dialkylamino, alkyl, haloalkyl, cycloalkylalkyl, alkoxy, haloalkoxy, alkylthio, alkoxyalkyl, bis(alkoxy)alkyl, alkoxycarbonyl, alpha-hydroxyiminoalkoxycarbonylmethyl, alphalkoxyiminoalkoxycarbonylmethyl, C NR 2 R 3 (in which X represents oxygen or sulphur, R 2 represents hydrogen or alkyl and R 3 represents alkyl, haloalkyl, alkoxy, cyanoalkyl, alkynyl, cycloalkyl, cycloalkylalkyl, alkoxyalkyl, alkylthioalkyl or arylalkyl or R 2 and R 3 together with the nitrogen atom to which they are attached form a ring), alkylthio, alkylsulfinyl, alkylsulfonyl, the heterocyclyl radicals morpholinyl, triazolinonyl, dihydrodioxazinyl, dihydrooxadiazinyl, dioxolanyl, dioxanyl, piperidinonyl, pyrrolidinonyl and pyrazolinonyl (which for their part may be substituted by alkyl or haloalkyl), phenyl (which for its part may be substituted by halogen, cyano, nitro, alkyl or haloalkyl), the heteroaryl radicals pyrrolyl, pyridyl, pyridyl N-oxide, pyrimidyl, imidazolyl, pyrazolyl, oxazolyl, thiazolyl, furanyl, thienyl, triazolyl, oxadiazolyl, thiadiazolyl, pyrazinyl, triazinyl, tetrazinyl and isoquinolinyl (which for their part may be substituted by halogen, nitro, alkyl, haloalkyl, alkoxy, haloalkoxy, alkoxyalkyl, alkylthio, alkylthioalkyl and cycloalkyl), the heteroarylalkyl radicals triazolylalkyl, pyridylalkyl, pyrimidylalkyl or oxadiazolyalkyl (which for their part may be substituted by alkyl), or represents phenyl which is optionally substituted by halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, piperidinonyl, pyrrolidinonyl, dioxolanyl or dihydrodioxazinyl, and of salts and N-oxides of the compounds of the formula for controlling animal pests. G 1 represents N or C-halogen, G 3 represents oxazolinyl, dihydrooxadiazinyl, dihydrodioxazinyl or hydroxypyridyl which is optionally substituted by halogen, cyano, nitro, alkyl, halogenalkyl, cycloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, haloalkylsulfinyl, haloalkylsulfonyl, amino, alkylamino, dialkylamino, alkylcarboxylamino, alkoxy-carbonylamino, alkoxyalkyl, haloalkoxyalkyl, alkenyl, alkynyl, alkylcycloalkyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, pyridyl or pyrimidyl,