Syntormon Loew (Diptera, Dolichopodidae) from Inner Mongolia, China, with the description of a new species

Previously, no records of <i>Syntormon</i> Loew, 1857 species were known from Inner Mongolia (China). The genus is reported here from Inner Mongolia for the first time, with the description of a new species, <i>S.sinicum</i> <b>sp. nov.</b>, along with two previously described species, <i>S.dukha</i> Hollis, 1964 and <i>S.henanense</i> Yang & Saigusa, 2000. <i>Syntormonsinicum</i> <b>sp. nov.</b> and <i>S.dukha</i> Hollis, 1964 are barcoded for the first time to support the species delimitation. A key to <i>Syntormon</i> species in China is provided.