#$%^&*AU2014101087A420141016.pdf#####ABSTRACT Olive oil based pesticidal compositions and methods for controlling pests on plants are disclosed. The compositions contain olive oil, eucalyptus oil, tea-tree oil as the active constituents and at least one emulsifier as a non-active constituent. The olive oil is the major active constituent and makes up at least 50% wt/wt of the composition.