Predatory insects
and interesting life cycle that contributes to their effectiveness as biological control agents. Female gall midges lay their eggs on plant leaves, and [...] maintain a balanced ecosystem without the need for chemical pesticides. Koppert offers Aphidend, featuring the species Aphidoletes aphidimyza , for aphid [...] also contribute to the control of mealybugs , thrips and caterpillars . Koppert offers Chrysopa, Chrysopa-E , featuring the species Chrysoperla carnea