New Tanytarsus van der Wulp from the Brazilian Amazonia indicate clues to intrageneric relations (Diptera: Chironomidae) Author Dantas, Galileu P. S. Author Giłka, Wojciech text Zootaxa 2017 4294 2 281 291 journal article 32655 10.11646/zootaxa.4294.2.10 ea7cbde6-2399-4d12-9793-d6321bbea6a9 1175-5326 831730 332D0F30-1998-426D-AD64-4C23CB292B22 Tanytarsus impar species group Members: Tanytarsus impar Trivinho-Strixino et Strixino, 2004 ; Tanytarsus magnus Trivinho-Strixino et Strixino, 2004 ; Tanytarsus insignis sp. nov. Diagnosis. Anal point spinulae absent. Superior volsella elongated. Digitus long and curved. Inferior volsella strong and club-shaped. Legs with distinct colour band pattern; distal abdominal tergites darker, standing out from lightly coloured proximal ones.