Trunk, branch, use tetramine acid derivatives for controlling animal pests after flowers or buds processing

Use of 3-(2,5-dimethyl-phenyl)-4-hydroxy-8-methoxy-1-aza-spiro[4.5]de c-3-en-2-one (I) or carboxylic acid 3-(2,5-dimethyl-phenyl)-8-methoxy -2-oxo-1-aza-spiro[4.5]dec-3-en-4-yl ester ethyl ester (II) for controlling insects and spider mites after treatment of the: trunks, branches, stems, shoots and twigs, and inflorescences or buds by injection, is claimed. - ACTIVITY : Insecticide. The insecticidal activity of (I) or (II) was tested against Dysmicoccus brevipes. The results showed that (II) (0.3 g/l) exhibited an aborticide percentage of 81.2 after 3 days. - MECHANISM OF ACTION : None given.