The introduction of ladybirds, hoverfly larvae, lacewing larvae and several parasitic wasps in a garden situation will reduce numbers.
Recent research has shown the benefits that are provided by earwigs. Providing shelter for insects like earwigs in the garden may help to increase earwig numbers.
Unfortunately, aphid infestations can often build up on plants before the natural enemies are active in sufficient numbers so natural predators will only have limited control success.
It's thought most infestations are tolerable, with yields seldom impacted. However, if you believe your infestation is heavy, please read on to our chemical alternatives.