Abstract
Ptychoptera agnes sp.n. from Hungary and P. alina sp. n. from Armenia are described and illustrated. Available descriptions of P. japonica Alexander, 1913 (Japan), P. daimio Alexander, 1921 (Japan), P. bellula Alexander, 1937 (China) are supplemented by descriptions and illustrations of male genitalia. Examination of types and additional material from Sachalin and Japan revealed synonymy between P. subscutellaris Alexander, 1921 (Japan) and P. yankovskiana Alexander, 1945 (Korea). The affinities of P. subscutellaris and its close European relatives (the group of P. minuta Tonnoir, 1919) are discussed. The female holotype of the distinctively coloured P. clitellaria Alexander, 1935 (China) lacks the abdomen and remains incompletely known. Faunistical data on P. lacustris Meigen, 1830, P. albimana (Fabricius, 1787), P. minuta Tonnoir, 1919, P. scutellaris Meigen, 1818, P. hugoi Tjeder, 1968, and P. contaminata (L., 1758) are also added, extending known ranges of these species considerably.
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