Two new species of Pseudosmittia Edwards, 1932 from India with a key to Oriental species adult males (Diptera: Chironomidae: Orthocladiinae) Author Mukherjee, Tuhar 0000-0002-9449-5985 Entomology Research Unit, Department of Zoology, The University of Burdwan, Burdwan, India, 713104 & tuharmukherjeeofficial @ gmail. com; https: // orcid. org / 0000 - 0002 - 9449 - 5985 tuharmukherjeeofficial@gmail.com Author Som, Dipak Kumar Post Graduate Department of Zoology, Maulana Azad College, Government of West Bengal, Kolkata, India, 700013 & dipaksom @ gmail. com Author Hazra, Niladri Entomology Research Unit, Department of Zoology, The University of Burdwan, Burdwan, India, 713104 text Zootaxa 2022 2022-10-26 5200 1 51 62 journal article 10.11646/zootaxa.5200.1.4 1175-5326 7251879 C4A97ADB-42ED-45B7-831A-BB3C669280C1 Key to the males of the Oriental species of Pseudosmittia Edwards, 1932 1. Gonostylus strongly curved; inferior volsella absent ( Ferrington and Saether, 2011 —Fig. 54) (Oriental China , Japan , and Afrotropical)......................................................... Pseudosmittia guineesis ( Kieffer, 1918 ) - Gonostylus not curved; inferior volsella present............................................................. 2 2. Gonostylus broad; crista dorsalis not well developed ( Fig. 4 ) ( India )................................. P. valida sp. n. - Gonostylus slender; crista dorsalis well developed........................................................... 3 3. Virga U-shaped; inferior volsella low, accessory lobe barely indicated; anal lobe reduced ( Ferrington and Saether, 2011 —Fig. 90) (Oriental Japan )...................................................... P . tokaraneoa Sasa and Suzuki, 1995 - Virga not U-shaped; inferior volsella well developed, accessory lobe well developed; anal lobe well developed.......... 4 4. Crista dorsalis rounded; Cu 1 straight ( Ferrington and Saether, 2011 —Fig. 68) (Oriental China and Nearctic)................................................................................ P . cristagata Ferrington and Saether, 2011 - Crista dorsalis not rounded; Cu 1 not straight................................................................ 5 5. Accessory lobe of inferior volsella present................................................................. 6 - Accessory lobe of inferior volsella absent.................................................................. 9 6. Gonostylus bifurcate with inner lobe crenulate; AR less than 1 ( Ferrington and Saether, 2011 —Fig. 80) (Oriental China , Japan , and the Holarctic)................................................................. P . mathildae Albu, 1968 - Gonostylus simple; AR greater than 1..................................................................... 7 7. Anal point complex ( Ferrington and Saether, 2011 —Fig. 62) ( Indonesia )....... P . tobaduovicesima Kikuchi and Sasa, 1990 - Anal point simple.................................................................................... 8 8. Inferior volsella bluntly triangular; dorsocentrals 4 ( Ferrington and Saether, 2011 —Fig. 63) ( Japan and Afrotropical)....................................................................................... P . topei Lehmann, 1979 - Inferior volsella sharply triangular; dorsocentrals 8–13 ( Ferrington and Saether, 2011 —Fig. 64) ( Thailand ).................................................................................. P . malickyi Ferrington and Saether, 2011 9. Antenna with apical seta; inferior volsella long............................................................ 10 - Antenna without apical seta; inferior volsella short......................................................... 11 10. Inferior volsella short with a basal projection, without accessory lobe ( Ferrington and Saether, 2011 —Fig. 106) (Oriental Japan ; and Oceania)................................................................ P . bifurcata ( Tokunaga, 1936 ) - Inferior volsella long without a basal projection, with accessory lobe ( Ferrington and Saether, 2011 —Fig. 79) (Oriental Japan )............................................................................ P . littoralis ( Tokunaga, 1936 ) 11. Gonostylus curved in apical one-half to one-third.......................................................... 12 - Gonostylus straight.................................................................................. 15 12. Post cubitus forked; strong apical antennal seta present ( Ferrington and Saether, 2011 —Fig. 72) (Oriental Japan , Thailand ; and Palaearctic)...................................................... P . nishiharaensis Sasa and Hasegawa, 1988 - Post cubitus simple; strong apical antennal seta absent...................................................... 13 13. AR greater than 1 ( Fig. 2 ) ( India ).............................................................. P . luna sp. n. - AR less than 1...................................................................................... 14 14. Anal point with small apical projection on a broad triangular base; AR about 0.9 ( Ferrington and Saether, 2011 —Fig. 75) ( Thailand )......................................................... P . siamensis Ferrington and Saether, 2011 - Anal point broadly triangular without apical projection; AR about 0.6 ( Ferrington and Saether, 2011 —Fig. 74) (Oriental China ; also, Oceania and Afrotrpical)................................................... P . triangula (Tokunaga, 1964) 15. Inferior volsella with a posterior bulge; tergite IX without caudolateral corners ( Ferrington and Saether, 2011 —Fig. 117) ( China , Thailand ; also, Holarctic and Neotropical)....................................... P . forcipata ( Goetghebuer, 1921 ) - Inferior volsella digitiform, apically rounded; tergite IX with caudolateral corners ( Ferrington and Saether, 2011 —Fig. 103) ( Thailand )......................................................... P . digitrienta Ferrington and Saether, 2011