Rheocricotopus (Psilocricotopus) orientalis, Wang, 1995

Lin, Xiao-Long, Yu, Hai-Jun, Wang, Qian, Bu, Wen-Jun & Wang, Xin-Hua, 2020, DNA barcodes and morphology confirm a new species of Rheocricotopus (Psilocricotopus) orientalis group (Diptera: Chironomidae), Zootaxa 4768 (2), pp. 282-290 : 289

Key to known adult males of the Rheocricotopus (Psilocricotopus) orientalis group

1 Tergite IX with tufts of setae................................................................... R. villiculus - Tergite IX without tufts of setae.......................................................................... 2 2 Anal point constricted at middle............................................................... R. constricutus - Anal point tapering.................................................................................... 3 3 Superior volsella absent....................................................................... R. orientalis - Superior volsella present............................................................................... 4 4 Tergite VI and VII brown; AR 0.51; inferior volsella digitiform....................................... R. calviculus - Tergite VII and 2/3 anterior of VI yellow; AR 0.35–0.37; inferior volsella broad thumb shaped............. R. kongi sp. n.