Tip Top Bio-Control Green Lacewing Larvae, Bottle of 1,000Green Lacewing Larvae Are The Ultimate Beneficial Predator Live insects from Tip Top Bio Are Expedited To Ensure Your Insects Arrive Quickly & Safely. Green Lacewings are general predators that feed on a variety of insects. They are very effective on aphids. During the larval stages it is a predator. Adults are large green insects with large almost transparent lace like green wings. Larvae are small alligator looking critters with noticeable legs.