Polypedilum Kieffer 1913

• Main Authors: Mukherjee, Tuhar, Mukherjee, Bindarika, Hazra, Niladri
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Polypedilum; Canada; Norway; Iceland
• Online Access: https://zenodo.org/record/4434694; https://doi.org/10.5281/zenodo.4434694

Key to the male species of Polypedilum Kieffer, 1913 of the Oriental Region (Japan: Oriental and Palaearctic Japan; China: Oriental and Palaearctic China) 1. Wing membrane without dense macrotrichia. 2 - Wing membrane with dense macrotrichia. Pentapedilum Kieffer, 1913 . 7 2(1). Superior volsella with or without small projection. 3 - Superior volsella with long projection. 4 3(2). Superior volsella without projection; usually anal point trifid. Tripodura Townes, 1945 . 25 - Superior volsella with small projection; anal point simple. Uresipedilum Oyewo and Saether, 1998 . 113 4(2). Superior volsella without basal lobe. 5 - Superior volsella with basal lobe. 6 5(4). Gonostylus with simple setae at its inner margin. Polypedilum Kieffer, 1913 . 71 - Gonostylus with split setae at its inner margin. Cerobregma Saether and Sundal, 1998 . 131 6(4). Superior volsella with microtrichia. Atopipedilum Yamamoto, Yamamoto and Hirowatari, 2015 . 136 - Superior volsella without microtrichia (Oriental China). P. (Probolum) bullum Zhang and Wang, 2004 7(1). Eyes with dorsomedial extension. 8 - Eyes without dorsomedial extension. 13 8(7). Frontal tubercle present. 9 - Frontal tubercle absent. 10 9(8). Scutellars less than 10; abdomen uniform (Oriental Japan). P. (Pe.) acristylum Yamamoto, Hirowatari and Yamamoto, 2012 - Scutellars more than 10; abdomen banded. P. (Pe.) robusticeps Guha and Chaudhuri, 1985 10(8). Wing vein R 2+3 separated from R 1. 11 - Wing vein R 2+3 adjacent to R 1. 12 11(10). AR greater than 1 (Oriental China, Austria, Azores, Belgium, Bosnia & Harzegovina, Bulgaria, China, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Great Britain, Greece, Hungary, Iceland, Ireland, Italy, Japan, Kaliningrad, Latvia, Lebanon, Luxembourg, Lithuania, Madeira, Moldova, Mongolia, Morocco, The Netherlands, Norway, Poland, Portugal, Romania, Russia, Slovakia, Spain, Sweden, Turkey, Ukraine, former Yugoslavia, Canada, U.S.A.). P. (Pe.) sordens (Wulp, 1874) - AR lesser than 1 (India). P. (Pe.) retusum sp. ...