See text. The family Yponomeutidae are known as the ermine Moths, with several hundred species most of them in the tropics Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " Insects ( Class Insecta) are a major group of Arthropods and the most diverse group of Animals on the Earth with over a million described Lepidoptera is an order of Insect that includes Moths and butterflies. This is a list of the Diversity of the Lepidoptera showing the estimated number of genera and species described for each superfamily and where available family In Biological classification, family ( Latin