Beneficial insects such as the green lacewing never cause harm to human beings, plants and flowers, or household pets. Green lacewing are typical residents in most of North America. Adults feed only on nectar, plant pollen, and aphids,, however the larvae are energetic predators. Green Lacewing larvae are insatiable eaters of the eggs and immature stages of numerous tender bodied insect pests, which includes a number of varieties of aphids, spider mites (particularly red mites), mealybugs, leafhoppers, thrips, a few beetle larvae, eggs and caterpillars of pest moths . The larvae will eat for approx. two to three weeks. Afterwards they will create a cocoon, and ten to fourteen days later, arise as adults. These small gems undoubtedly are a fantastic and value effective addition to just about any pest management plan for your organic gardening and aphid control.