Patent ID: 8809389

Claim:
A pesticidal composition comprising an alkynyl phenoxy compound of formula (I): wherein R 1 and R 2 , similar or different, are (C 1 -C 4 )alkyl or R 1 O— and R 2 O— together represent a group —O—CH 2 —O—, —O—CH(CH 3 )—O—, —O—CH 2 —CH 2 —O—, —O—CH 2 —CH 2 —, R 3 is (C 1 -C 6 )alkyl, (C 3 -C 6 )alkenyl or —B—(CH 2 —CH 2 —O)z-R 6 where B is —CH 2 —O— or —O—, z is 0, 1 or 2 and R 6 is (C 1 -C 4 )alkyl; R 4 is hydrogen or methyl; R 5 is hydrogen or methyl; x is an integer from 1 to 2; y is 0, 1 or 2; with the proviso that 5-(propargyloxy)-benzo[1,3]dioxole is excluded, and when R 3 is —B—(CH 2 —CH 2 —O)z-R 6 , y is 1 as a synergist and a pesticidal active ingredient.