(Geometridae) This family is the second largest family of the Lepidoptera order after the Noctuidae family. It exists in all main areas of the world and includes more than 21,150 described species. The number of its species is estimated at more than 26,500 globally. In the new tropical areas, India and Australia, this family is more diversified, having more than 6,500 and 6,670 described species respectively. Adults can be small or big. In many genera, females have short preliminary wings (Brachypterous) or can be without wings. Adults mainly fly during in the night but many species are crepuscular or diurnal. Larvae are herbivorous and feed mainly on foliage. Their diet is so diversified and includes most plant families. Many species are known to cause great damages to agriculture.