Active agent combination (A) with very good fungicide-, insecticide- and/or acaricide- characteristics, comprises a carboxyamide compound (I) and/or at least an active agent e.g. acetylcholine-receptor-agonist/antagonist, preferably chloronicotinyl/neonicotinoide； and acetylchloline esterase inhibitor, preferably carbamate and organophosphate. Active agent combination (A) with very good fungicide-, insecticide- and/or acaricide- characteristics, comprises a carboxyamide compound of formula (I) and/or at least one acetylcholine-receptor-agonist/antagonist, preferably chloronicotinyl/neonicotinoide； acetylchloline esterase inhibitor, preferably carbamate and organophosphate； sodium-channel-modulator/stress dependent sodium-channel-blocker, preferably pyrethroid and oxadiazine； acetylcholine-receptor-modulator, preferably sphingosine； gamma-amminobutyric acid-chloride-channel-antagonist, preferably organochlorine and fiprole； chloride-channel-activator, preferably mectine； juvenile hormone-mimetic； ecdysone agonist/disruptor, preferably diacylhydrazine； chitin biosynthase inhibitor, preferably benzoylurea material； oxidative phosphoryl inhibitor, ATP-disruptor, preferably organotin； oxidative phosphoryl coupler by interruption of hydrogen-proton-gradient, preferably pyrrole and dinitrophenol； site-I-electrontransport inhibitor, preferably myto chondrial electron transport； site-II-electrontransport inhibitor； site-III-electrontransport inhibitor； microbial disruptor insects intestine membrane； fatty acid synthesis inhibitor, preferably tetronicacid and tetramic acid； carboxamide； octopamine agonist； magnesium-stimulater ATPase-inhibitor； phthalamide； nereistoxin analog； biological hormone or pheromone； and aeration agent, worm inhibitor and mite growth inhibitor. R 1,>； R 3>；, R 7>；, R 10>； : H, halo, 1-3C-alkyl or 1-3C-haloalkyl with 1-7 F, Cl or Br； R 2>； : 1-3C alkyl； R 4>； : H, halo, or 1-3C-alkyl； A : 8 heterocyclic compounds e.g. of formulae (II)-(IX)
