ACARICIDALLY EFFICIENT PREPARATIONS CONTAINING DI (TRI (2-METHYL-2-PHENYLPROPYL) TIN) OXIDE AND A PYRETHROID, AND ACTIONS TO COMBAT ACARIDES

摘要

The invention relates to pesticidal compositions. …??There are provided compositions comprising di [tri-(2-methyl-2-phenylpropyl)tin] oxide and a pyrethroid insecticide of general formula …CHEM… wherein A is an optionally-substituted aralkyl, alkyl or cycloalkyl group, R is hydrogen, cyano, or ethynyl, X is alkyl, alkenyl, aralkyl or aryloxy and n is 1 to 5; and their use in combating pests. …??Compositions according to the invention exhibit surprising synergistic activity against acarid pests, e.g. glasshouse red spider mite, Tetranychus urticae.