Review of tuxenentulus and fjellbergella species (protura: Acerentomidae, acerentominae)

Abstract

Two new species of Tuxenentulus Rusek, 1974 and Fjellbergella Nosek, 1978 are described: Tuxenentulus solncevae n. sp. from the Russian Far East and Fjellbergella uteorum n. sp. from Colorado. T. solncevae n. sp. is characterized by short and broad foretarsal sensilla c and e, presence of cephalic seta d6 on head, presence of seta Pla on abdominal tergites I-VI, and sensilliform accessory setae on segments I-VI. F. uteorum n. sp. (Colorado) possesses 19 posterior setae on abdominal tergite VII, including median seta Pc, and 14 setae on tergite IX. A key to known world Tuxenentulus and Fjellbergella spp. is provided. © 2013 Entomological Society of America.