Imperial Chemical Industries Limited

David D Evans

Roger K Huff

Nicholas H Anderson

Insecticidally active compositions comprising a combination of a C-076 or B-41 macrolide antibiotic with an insect feeding stimulant. The combination shows substantially enhanced activity compared with combinations of pyrethroid insecticides with feeding stimulants.

Method for combating pests

Compounds of the formula ##STR1## wherein R.sup.1 is an alkenyloxy group; an alkoxy group optionally substituted by one or more phenyl radicals or atoms of fluorine, chlorine, bromine or iodine; a phenoxy group optionally substituted by one or more lower alkyl or lower alkoxy groups or atoms of fluorine, chlorine, bromine or iodine; an alkylthio group optionally substituted by one or more phenyl radicals; a phenylthio radical optionally substituted by one or more atoms of fluorine, chlorine, bromine or iodine, or lower alkyl, lower alkoxy, of lower haloalkyl radicals; or an amino radical optionally substituted by one or two alkyl radicals, each of which may optionally be substituted by one or more alkoxy radicals or phenyl radicals; and R.sup.2 is a phenyl radical optionally substituted by one or more atoms of fluorine, chlorine, bromine or iodine or by one or more lower haloalkyl radicals, or by one or more phenoxy radicals optionally substituted by one or more atoms of fluorine, chlorine, bromine, or iodine, or by one or more lower haloalkyl groups. The compounds are useful for controlling insect pests.

Growing community of inventors

Binfield, United Kingdom

David D Evans