The present invention provides compounds of formula (I):
1
wherein R, A, Ar and R
1
are as defined in the specification. The invention also provides insecticidal, acaricidal and nematicidal compositions comprising the compound of formula (I), and methods for combating and controlling insect, acarine and nematdoe pests at a locus by treating the pests or the locus with an effective amount of the compound of formula (I) or compositions thereof.
8-AZABICYCLO 3.2.1]OCTANE-, 8-AZABICYCLO 3.2.1]OCT-6-ENE-, 9-AZABICYCLO 3.3.1]NONANE-, 9-AZA-3-OXABICYCLO 3.3.1]NONANE- AND 9-AZA-3-THIABICYCLO 3.3.1]NONANE DERIVATIVES, THEIR PREPARATION AND THEIR USE AS INSECTICIDES