A revision of Boreantrops Kits & Marshall (Diptera: Sphaeroceridae: Archiborborinae) Author Kits, Joel H. Author Marshall, Stephen A. text Zootaxa 2015 3915 3 301 355 journal article 10.11646/zootaxa.3915.3.1 49559d7f-3675-4921-9d62-692c4ff89e88 1175-5326 240898 BBA4F5B8-F240-41F9-9DC5-E64A66E4FA0D Boreantrops cryptopygium group This group consists of a single species that does not show any obvious affinities to other members of the genus. It is characterized by the completely heavily sclerotized tergites 1–4, with only tergite 5 weakly sclerotized.