The present invention relates to 1-(azolin-2-yl)amino-1,2-diphenylethane compounds of the formula I and to their salts which are useful for combating animal pests. The invention also relates to a method for controlling animal pests by using these compounds, to seed and to an agricultural and veterinary composition comprising said compounds, wherein A is a radical of formulae A.1 or A.2 wherein # denotes the bond to the remaining compound of formula I, X is selected from O, S and NRx, R1 is selected from the group consisting of -ORA, -NRB1RB2, -C(=O)-RC, -C(=O)-ORD, -C(=O)-SRE, -C(=O)-NRB1RB2, -C(=S)-RC, -C(=S)-ORD, -C(=S)-SRE, -C(=S)-NRB1RB2, -C(=NR1a)-RC, -C(=NR1b)-ORD, -C(=NR1c)-SRE, -C(=NR1d)-NRB1RB2, -S(=O)-RF, -S(=O)2-RG, -S(=O)2-NRB1RB2, -P(=O)RH1RH2, -P(=S)RH1RH2, -B-C(=O)-RI, -B-O-C(=O)-RI, -B-S-C(=O)-RI, -B-N(RJ)-C(=O)-RK, -B-C(=S)-RK, -B-O-C(=S)-RK, -B-S-C(=S)-RK, -B-N(RJ)-C(=S)-RK, C1-C8-alkenyl, C1-C8-alkynyl, C3-C8-cycloalkyl, which is unsubstituted or may carry 1 to 4 substituents R1e, naphthyl, which is unsubstituted or may carry 1 to 4 substituents R1f, a saturated or partially unsaturated heterocycle, which is unsubstituted or may carry 1 to 4 substituents R1g, hetaryl, which is unsubstituted or may carry 1 to 4 substituents R1h, and C1-C6-alkyl, which carries a radical selected from the group consisting of -NR1iR1j, C1-C4-alkoxycarbonyl, C3-C8-cycloalkyl, aryl, aryloxy, arylthio, heterocyclyl, heterocyclyloxy and heterocyclylthio, R2, R3, R4, R5, R6 and R7 are each independently hydrogen, halogen, OH, SH, NH2, SO3H, COOH, cyano, nitro, C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkylamino etc.La présente invention concerne des composés 1-(azolin-2-yl)amino-1,2-diphényléthane de formule I et leurs sels qui sont utiles pour lutter contre les animaux nuisibles. Linvention concerne également un procédé pour lutter contre les animaux nuisibles en employant ces composés, à des semences et à une composition agricole et vétérinaire comprenant lesdits composés, dans
