(from the article `lacewing`) any of a group of insects that are characterized by a complex network of wing veins that give them a lacy appearance. The most common lacewings are ... ...bristle-like piercing structures; labial palpi absent; 1 tarsal claw per leg; aquatic; parasitic on freshwater sponges.Family Chrysopidae (green ... [... Found on http://www.britannica.com/eb/a-z/g/67