Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Grotella soror is a species of moth in the genus Grotella, of the family Noctuidae. This moth species is found in North America, including Arizona, its type location.Grotella is a genus of moths of the Noctuidae family.The Noctuidae or owlet moths are a family of robustly-built moths that includes more than 35,000 known species out of possibly 100,000 total, in more than 4,200 genera. They constitute the largest family in the Lepidoptera.