Use mouse or rat traps. Yellow sticky cards attract aphids and whitefly. Once the insects stick dispose of them. Other colours attract other insects. Hang tin foil to distract insects.
Ants Apply a sticky bituminous substance around the base of a tree truck.
Bugs Place a ring of camphor around a tree to repel. Caterpillars and Moths Certain coloured light traps detract them. In early spring wrap several layers of corrugated cardboard around the apple tree trunk. Larvae will be attracted to settle. Discard in summer and burn.