Leucostoma simplex (Fallén, 1815) Ocyptera simplex Fallén, 1815:240. [For further synonyms see Herting & Dely-Draskovits (1993)]. Material examined: 9♀♀, Chekab valley, 34°08′05.3″N, 50°16′25.3″E, 28.v–15.vi.2016, 2219 m, Malaise trap, leg. E. Gilasian & M. Parchami-Araghi; 5♀♀, Sibak valley, 34°06′16.1″N 50°12′54.4″E, 2.vi.2017, 1972 m, swept, leg. E. Gilasian. Distribution: ASIA: Southern Far East of Russia, China, Mongolia, Siberia, Kazakhstan, Uzbekistan, Iran (Gilasian et al. 2014a), Transcaucasia, Turkey. EUROPE: widespread in all main parts of Europe. Also Afrotropical, Australasian, Nearctic and Neotropical Regions.

Published as part of Gilasian, Ebrahim, Ziegler, Joachim & Parchami-Araghi, Mehrdad, 2022, The fauna of the family Tachinidae (Diptera) in Haftad-Qolleh Protected Area (Markazi Province), with forty-six new records from Iran and description of a new species, pp. 49-91 in Journal of Insect Biodiversity and Systematics 8 (1) on page 76, DOI: 10.52547/jibs.8.1.49, http://zenodo.org/record/5919938