Noun | 1. | ![]() arthropod genus - a genus of arthropods family Saturniidae, Saturniidae - important and widely distributed family of moths including some of the largest insects known Antheraea polyphemus, polyphemus moth - very large yellowish-brown American silkworm moth with large eyespots on hind wings; larvae feed on fruit and shade trees Antheraea pernyi, pernyi moth - a Chinese moth that produces a brownish silk |