FIGURE 1. 1, Fushun fossil site location and palaeogeographic setting of north-eastern China during the Eocene; Palaeotopographic reconstruction after Wang H. (1995); 2, stratigraphic sequence of the West Opencast Coalmine. The yellow heptagons indicate amber-bearing layers in upper section of the Guchengzi Formation. PETM - Palaeocene-Eocene Thermal Maximum (approximately 55 Ma); EECO - Early Eocene Climatic Optimum (51-53 Ma); MECO - Middle Eocene Climatic Optimum (approximately 41.5 Ma); 3, View of the West Opencast Coalmine, from the east, 3 September 2013; arrows indicate amber-bearing strata; 4, View of reclamation works in the West Opencast Coalmine from the west, 5 September 2014.

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FIGURE 2. Holotype male of Mesochria fani Szadziewski and Szwedo, sp. nov. 1, habitus, lateral aspect; 2, wings; 3, mouthparts; 4, palpus; 5, legs; 6, wing reconstructed; 7, genitalia, lateral aspect.

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FIGURE 3. Geographical distribution of fossil and extant species of the genus Mesochria.

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