taxonID	type	description	language	source
073B87A8FFC1FFC5D9C4FB78FBFAFA06.taxon	type_taxon	Type species. Mesopsyche triareolata Tillyard, 1917. Included species. M. triareolata Tillyard, 1917, M. javorskii (Zalessky, 1935), M. dobrokhotovae Novokshonov, 1997, M. shcherbakovi Novokshonov, 1997, M. justa Novokshonov & Sukatsheva, 2001, M. ordinata Novokshonov & Sukatsheva, 2001, M. tortiva Novokshonov & Sukatsheva, 2001, M. gentica Novokshonov & Sukatsheva, 2001, M. tongchuanensis (Hong, 2007) (Hong, 2007 b), and M. incompleta Bashkuev, 2011.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	description	Figure 2	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	etymology	Etymology. Derived from Jinsuoguan Township, the type locality.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	diagnosis	Diagnosis. Forewing relatively small, bearing numerous coloured spots. Sc with three branches, apex reached pterostigma, pterostigma pigment fused with adjacent spots. Rs 1 + 2 forked slightly after Rs 3 + 4, M 1 + 2 stem twice as long as M 3 + 4 stem.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	materials_examined	Materials. Holotype, NIGP 173731, a complete forewing. Type locality and horizon. Middle Triassic Tongchuan Formation, a locality near Jinsuoguan Township, Tongchuan City, Shaanxi Province, northwestern China.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	description	Description. Forewing oval, relatively broad, length 8.9 mm, width 3.5 mm (length / width ratio about 2.5: 1); posterior margin rounded; membrane with distinct dark spots, some fused together into bands, occurring at the longitudinal vein forks, crossveins, and the apices of longitudinal veins; Sc long, with three branches, apex extending into pterostigma; R 1 slightly bent at pterostigma, a crossvein joining R 1 and Sc 1; pterostigma colour as dark as the spots’, fused with adjacent spots; Rs 1 tilted upwards, Rs 1 + 2 forked slightly after Rs 3 + 4, a crossvein connecting Rs 1 + 2 and R 1, Rs 2 and Rs 3; M with four branches, two crossveins between M and Rs, a crossvein between M 1 and M 2, M 2 and M 3, M 3 and M 4 respectively; m-cua joined near the base of M 4 and CuA; the distal part of M stem faint, invisible, M fused with CuA for a long distance; CuA straight; CuP straight, apically curved; two crossveins between CuA and CuP; wing slightly concaved at the apex of CuP; three anal veins visible, a crossvein between CuP and A 1, A 1 and A 2, respectively.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC1FFC7D9C4FA17FB3BFDF0.taxon	discussion	Remarks. The character of coloured spots or bands in the wings readily separates M. jinsuoguanensis from all of the congeneric species. This new species closely resembles M. tongchuanensis from the Middle Triassic Tongchuan Formation of China, but differs from the latter by the smaller wing (length 8.9 mm vs. partly preserved in 11 mm), without crossvein connected the fork of Rs an M, the two crossveins of cua-cup much farther from wing base. It differs from M. dobrokhotovae of the Upper Triassic of Ukraine by the smaller wing (length 8.9 mm vs. 24 mm), not concave strongly in the middle of wing, and crossvein cup-a 1 much closer to wing base.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	description	Figure 3	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	etymology	Etymology. The species name is dedicated to the late Palaeontologist Zhuoting Liao for his extraordinary contributions to the geology of the Xinjiang Uygur Autonomous Region.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	diagnosis	Diagnosis. Forewing oval, relatively small, with dark spots, crossveins faint and devoid of pigment. Pterostigma separated from the adjacent spots. Sc with three branches and reached into the pterostigma. Rs 1 + 2 and Rs 3 + 4 forked at the same level, and M 1 + 2 stem three times as long as M 3 + 4 stem.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	materials_examined	Materials. Holotype, NIGP 173366 a, b, forewing, part and counterpart (Fig. 2 A, B), posterior part of wing not preserved well. Type locality and horizon. Upper Triassic Huangshanjie Formation, a locality near the Korjay Township, Toksun County, Turpan City, the Xinjiang Uygur Autonomous Region, northwestern China.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	description	Description. Forewing relatively broad, length 7.3 mm, width 3.0 mm, length / width ratio 2.4; posterior margin rounded; wing with dark spots resemble M. liaoi in distribution, crossveins weak and generally devoid of pigment; Sc long, with three branches, apex slightly bent and extended into pterostigma; Sc 2 distinct, pigment undetected; R 1 slightly bent at pterostigma, a crossvein connecting R 1 and Sc; pterostigma in dark colour; Rs parallel to C, fork of Rs 1 + 2 and Rs 3 + 4 almost at same level; M with four branches, M 1 + 2 stem ca. three times as long as M 3 + 4 stem, M 1 + 2 stem and Rs 3 + 4 stem connected by a crossvein; m-cua slightly curved, connected M 4 for a relatively long distance from the base; posterior section of stem M invisible, M fused with CuA for a long distance; CuA slightly curved at posterior section; CuP straight, apically curved; two crossveins between CuA and CuP; wing slightly concaved at the apex of CuP; 3 anal veins visible, both CuA and A 1, A 1 and A 2 connected by a crossvein respectively.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
073B87A8FFC4FFC0D9C4FF69FD3FFB7B.taxon	discussion	Remarks. The new species, M. liaoi sp. nov., strongly resembles M. jinsuoguanensis, but we considered them as separated species based on the following: 1) The two fossils are not yielded in the same locality and stratum. 2) Most of the crossveins of M. liaoi are faint and devoid of pigment, whereas in M. jinsuoguanensis they are distinctly pigmented. 3) The crossvein sc-r 1 of M. liaoi is located at the middle of Sc 1 instead of about 2 / 3 of Sc 1, and the different distributions of the crossveins results in the pterostigma of M. liaoi being separated from the adjacent coloured spots, whereas the pterostigma is fused with the adjacent spots in M. jinsuoguanensis. 4) Rs 1 of M. liaoi runs parallel to C, instead of tilting upwards as in M. jinsuoguanensis. 5) Crossvein m-cua of M. liaoi is connected to M 4 a relatively long distance from its base, rather than very close to its base in M. jinsuoguanensis. 6) Crossvein cup-a 1 of M. liaoi is located in the middle between the fork of M and CuA and crossvein a 1 - a 2, instead of near to the fork of M and CuA as in M. jinsuoguanensis.	en	Lian, Xinneng, Cai, Chenyang, Huang, Diying (2021): New species of Mesopsyche Tillyard, 1917 (Mecoptera: Mesopsychidae) from the Triassic of northwestern China. Zootaxa 4995 (3): 565-572, DOI: https://doi.org/10.11646/zootaxa.4995.3.10
