Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones

Abstract

A method of combating agricultural pest comprising applying a pesticidally effective amount of a substituted 1,4-naphthoquinone on agricultural pests and/or their environment, said 1,4-naphthoquinone being of the formula ##STR1## in which n represents the number zero or a number from 1 to 12, R.sup.1 represents hydrogen, t-butylcarbonyl or acetyl and R.sup.2 represents phenyl which is substituted by bromine, fluorine, chlorine, trifluoromethyl, trifluoromethoxy, trifluoromethylsulphenyl, trifluoromethylsulphonyl or trimethylsilyl or cyclohexyl which is substituted by methyl, trifluoromethyl or trimethylsilyl or R.sup.2 represents C.sub.1 -C.sub.8 -alkyl which is substituted by fluorine, chlorine or bromine.

Dependencies are inferred from the claim text.