(Pyralidae) This family includes currently about 6,150 described species. Until recently, the Crambidae family had been listed in this family. It is found all over the world and many of its species were introduced in different areas of the world through international grain, fruit and vegetable trade. Depending on the species, adults can be small or big. While they are nocturnal, some are crepuscular and rarely diurnal. Most species are butterflies (moths). Larvae attack foliage or puncture different parts of plants, whereas other species target roots. There are also many leaf-mining species affecting many different species of plants. Some larvae live on garbage and attack stored materials. In rare cases, some species live in colonies of Myrmecophilous ants and they are seen even in water. It is known that many of the species of this family them are pests of agricultural crops.