taxonID	type	description	language	source
821649988E2B871ED4470E543BC6C7B3.taxon	diagnosis	Diagnosis. The male imago can be distinguished from the known species of the genus by the following combination of characters: low AR (0.29); squama with few setae; anal lobe reduced; inferior volsella has two sub-lobes; virga absent.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
821649988E2B871ED4470E543BC6C7B3.taxon	description	Description. Adult male (n = 4). Total length 1.50 - 1.80, 1.63 mm. Wing length 0.81 - 0.97, 0.89 mm. Total length / wing length 1.83 - 1.86, 1.84. Wing length / length of profemur 2.26 - 2.43 (3). Coloration. Head, abdomen, legs brown; thorax with yellow ground with brown postnotum and preepisternum. Head. Antenna with 13 flagellomeres. Terminal flagellomere length 95 - 108, 105 μm. AR 0.28 - 0.33, 0.29. Temporal setae 8 (2), including 2 (2) inner verticals, 3 - 4 (3) outer verticals, and 2 (2) postorbitals. Clypeus with 6 - 10, 8 setae. Tentorium 86 - 96, 92 μm long, 14 - 19, 15 μm wide. Palpomere lengths (in μm): 19 - 24, 22; 26 - 29, 28; 55 - 62, 59; 84 - 91, 86; 98 - 120, 110. L: 5 th / 3 rd 1.77 - 2.10, 1.86. Wing (Figure 1). VR 1.25 - 1.29 (3). Anal lobe reduced. Brachiolum with 1 seta; R with 9 - 15, 13 setae; R 1 with 1 - 4, 2 setae; R 4 + 5 9 - 11, 10 setae; M with 0 - 1, 1 seta. Squama with 1 - 2, 1 seta. Costal extension 70 μm long. Cu 1 slightly curved. Thorax (Figure 2). Antepronotum with 3 - 6, 5 lateral setae, dorsocentrals 13 - 15, 13, acrostichals 3 - 7, 5, prealars 4 - 6, 5. Scutellum with 6 - 8, 7 setae. Legs. Pulvilli present. Spur of fore tibia 29 (3) μm long, spurs of mid tibia 22 - 24, 23 μm and 16 - 19, 18 μm long; hind tibia with a long spur 40 - 43, 42 μm long, a short spur 14 - 17, 16 μm long and comb composed of 10 - 12, 11 spines. Width at apex of fore tibia 24 - 28, 26 μm, of mid tibia 20 - 26, 24 μm, of hind tibia 31 - 36, 33 μm. Lengths (in μm) and proportions of legs as in Table 1. Hypopygium (Figures 3 - 7). Laterosternite IX with 4 - 6, 5 setae. Anal point (Figure 5) subtriangular with rounded apex, 24 - 26, 25 μm long, with 13 - 15, 14 strong setae. Phallapodeme 22 - 24, 24 μm long. Transverse sternapodeme 44 - 50, 48 μm long. Virga absent. Gonocoxite 110 - 122, 118 μm long. Inferior volsella (Figure 6) with two sub-lobes, the dorsal lobe with concave inner margin and 4 - 5, 5 marginal setae, the ventral lobe semi-rounded with 3 - 4, 3 marginal setae. Gonostylus (Figure 7) 60 - 67, 64 μm long, narrowed at base. Megaseta 9 - 10, 10 μm long. HR 1.82 - 1.92, 1.85. HV 2.43 - 2.48, 2.45. Female, pupa and larva unknown.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
821649988E2B871ED4470E543BC6C7B3.taxon	etymology	Etymology. The specific name is from Latin, binarius, meaning " of two ", referring to the inferior volsella has two sub-lobes.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
821649988E2B871ED4470E543BC6C7B3.taxon	distribution	Distribution. The new species is collected in a subtropical mountain area in Fujian Province (Oriental China).	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
CA72AB1F5ED8A83DBCCEAA78F8A06967.taxon	diagnosis	Diagnosis. The male imago is separable from the other species of the genus Pseudorthocladius by having hairy wings, strong crista dorsalis and outer heel of the gonotylus.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
CA72AB1F5ED8A83DBCCEAA78F8A06967.taxon	distribution	Distribution. Zhejiang Province (Oriental China); Luxemburg.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
831140A288970468DEA2DEB22C4A49CD.taxon	diagnosis	Diagnosis. AR 0.45 - 0.70; dorsocentrals 15 - 18; R with 9 - 13 setae, R 1 with 2 - 3 setae, R 4 + 5 with 0 - 14 setae; squama with 3 - 4 setae; virga present. Type I with low and extending crista dorsalis, type II with crista dorsalis absent, type III with round and protruding crista dorsalis.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
831140A288970468DEA2DEB22C4A49CD.taxon	distribution	Distribution. The species is widely distributed in Holarctic region.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
661F4C4CF47DB864570675432D173243.taxon	diagnosis	Diagnosis. The male imago can be distinguished from the known species of the genus by the following combination of characters: cylindrical anal point; well-developed triangular inferior volsella; low AR (0.66) and high VR (1.37).	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
661F4C4CF47DB864570675432D173243.taxon	description	Description. Adult male (n = 6). Total length 1.68 - 1.97, 1.87 mm. Wing length 1.04 - 1.19, 1.15 mm. Total length / wing length 1.53 - 1.75, 1.63. Wing length / length of profemur 2.64 - 2.88, 2.71. Coloration. Head, abdomen, legs light brown; thorax with light brown ground with brownish black postnotum and preepisternum. Head. Antenna with 13 flagellomeres. Terminal flagellomere length 235 - 264, 254 μm. AR 0.65 - 0.67, 0.66. Temporal setae 8 - 10, 9, including 3 - 6, 4 inner verticals, 4 - 5, 5 outer verticals, and 0 - 2, 1 postorbital. Clypeus with 8 - 11, 10 setae. Tentorium 96 - 113, 103 μm long, 18 - 21, 19 μm wide. Palpomere lengths (in μm): 22 - 26, 24; 24 - 28, 26; 60 - 72, 65; 84 - 91, 86; 113 - 137, 130. L: 5 th / 3 rd 1.87 - 2.28, 2.00. Wing (Figure 8). VR 1.33 - 1.43, 1.37. Anal lobe obtuse. Brachiolum with 1 seta; R with 5 - 13, 9 setae; R 1 with 1 - 4, 2 setae; other veins bare. Squama with 1 - 3, 2 setae. Costal extension 80 - 84, 81 μm long. Cu 1 slightly curved. Thorax (Figure 9). Antepronotum with 4 - 6, 5 lateral setae, dorsocentrals 9 - 13, 11, acrostichals 3 - 7, 5, prealars 3 - 5, 4. Scutellum with 4 - 5, 5 setae. Legs. Pulvilli present. Spur of fore tibia 29 - 41, 34 μm long, spurs of mid tibia 19 - 29, 22 μm and 19 μm long; hind tibia with a long spur 36 - 41, 38 μm long, a short spur 24 - 31, 27 μm long and comb composed of 10 - 12, 11 spines. Width at apex of fore tibia 34 - 46, 37 μm, of mid tibia 29 - 31, 30 μm, of hind tibia 31 - 36, 33 μm. Lengths (in μm) and proportions of legs as in Table 3. Hypopygium (Figures 10 - 13). Laterosternite IX with 4 - 6, 5 setae. Anal point (Figure 12) cylindrical and 45 - 49, 48 μm long and with 10 - 13, 11 stout setae, 23 - 28, 25 μm long. Phallapodeme 31 - 36, 34 μm long. Transverse sternapodeme 65 - 67, 66 μm long and convex in the middle. Virga absent. Gonocoxite 117 - 137, 123 μm long, with 7 setae along inner margin. Inferior volsella (Figure 12) developed and triangular with 3 - 4, 3 strong marginal setae. Gonostylus (Figure 13) 65 - 72, 67 μm long, narrowed at base and distal end, widen in the middle. Megaseta 8 - 10, 9 μm long. HR 1.83 - 1.90, 1.85. HV 2.74 - 3.14, 2.78. Female, pupa and larva unknown.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
661F4C4CF47DB864570675432D173243.taxon	etymology	Etymology. The specific name is from Latin, cylindratus, meaning " in the form of a cylinder ", referring to the cylindrical anal point, which is unique in the genus.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
661F4C4CF47DB864570675432D173243.taxon	distribution	Distribution. The new species is known from Hunan, Hainan Province in Oriental China.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
4B6D09CD6A578177149A9A8B72DEBFF1.taxon	diagnosis	Diagnosis. The male imago can be distinguished from the known species of the genus by the following combination of characters: anal point rounded and reaching beyond the caudal margin of Tergite IX; inferior volsella finger-shaped; squama bare; anal lobe reduced.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
4B6D09CD6A578177149A9A8B72DEBFF1.taxon	description	Description. Adult male (n = 1). Total length 2.43 mm. Wing length 1.55 mm. Total length / wing length 1.57. Wing length / length of profemur 2.54. Coloration. Head, abdomen, legs brown; thorax with yellow ground with brown postnotum and preepisternum. Head. Antenna with 13 flagellomeres. Terminal flagellomere length 300 μm. AR 0.74. Temporal setae 7, including 4 inner verticals, 3 outer verticals. Clypeus with 2 setae. Tentorium 110 μm long, 24 μm wide. Palpomere lengths (in μm): 29, 31, 60, 108, -. Wing (Figure 14). Anal lobe reduced. Brachiolum with 1 seta; R with 7 setae; R 1 with 1 seta; other veins bare. Squama bare. Costa extention 41 μm long. Cu 1 slightly curved. Thorax (Figure 15). Antepronotum with 5 lateral setae, dorsocentrals 7, acrostichals 2, prealars 5. Scutellum with 9 setae. Legs. Pulvilli present. Spur of fore tibia 50 μm long, spurs of mid tibia both 29 μm long; hind tibia with a long spur 60 μm long, a short spur 29 μm long and comb composed of 12 spines. Width at apex of fore tibia 43 μm, of mid tibia 36 μm, of hind tibia 45 μm. Lengths (in μm) and proportions of legs as in Table 5. Hypopygium (Figures 16 - 18). Laterosternite IX with 3 setae. Anal point (Figure 18) rounded and reaching beyond caudal margin of Tergite IX, maximum width 22 μm, with 10 long marginal setae. Phallapodeme 48 μm long. Transverse sternapodeme 50 μm long with small oral projection. Virga absent. Gonocoxite 178 μm long with 6 strong setae along inner margin. Inferior volsella (Figure 18) finger-shaped, parallel-sided and rounded in the apex, bearing some weak setae along the margin and covered by microtrichia. Gonostylus 84 μm long, narrow at base, widen to the distal, with 3 - 4 setae along inner margin. Crista dorsalis visible, relatively low. Megaseta 10 μm long. HR 2.11. HV 2.89. Female, pupa and larva unknown.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
4B6D09CD6A578177149A9A8B72DEBFF1.taxon	etymology	Etymology. The specific name is from Latin, digitus, meaning " finger ", referring to the finger-shaped inferior volsella.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
4B6D09CD6A578177149A9A8B72DEBFF1.taxon	distribution	Distribution. The new species is known from Fujian Province in Oriental China.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
5860BFF21537B2EECAA0747CA6BA0192.taxon	diagnosis	Diagnosis. AR 0.25 - 0.96; wing anal lobe near rectangular; tergite IX without anal point, just with a strongly chitinized broad and rounded ridge, bearing 13 strong setae; inferior volsella low and round, posterior corner.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
5860BFF21537B2EECAA0747CA6BA0192.taxon	distribution	Distribution. Shaanxi, Fujian, Guangdong, Sichuan, Yunnan Province (Oriental China); Japan.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
966DCD053770F7AC9EE585E64311D7C2.taxon	diagnosis	Diagnosis. AR 1.04 - 1.18; R 4 + 5 with 0 - 8 setae, squama with 6 - 15 setae; virga consisting of 2 broad lateral spines and 4 partially fused median spines, about 0.5 xas long as gonostylus; gonostylus well-developed with rounded inferior volsella.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
966DCD053770F7AC9EE585E64311D7C2.taxon	distribution	Distribution. Zhejiang Province (Oriental China); Europe (Norway; Great Britain; Ireland; France and Netherlands, and North America (U. S. A. and Canada).	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
542FC5033305E5D7457DC8B67BFC5BB0.taxon	diagnosis	Diagnosis. AR 0.78 - 0.97; virga consisting of tight cluster of about 10 spines and 2 broader lateral blades; inferior volsella with concave inner margin and 1 anterior and 1 posterior corner; gonostylus with basal inner lobe, a sharp bend distad of the middle, and a narrow apical posterior.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
542FC5033305E5D7457DC8B67BFC5BB0.taxon	distribution	Distribution. Sichuan Province (Oriental China); U. S. A.; Canada.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2844A084CB682C0938695136E953F061.taxon	diagnosis	Diagnosis. The male imago can be distinguished from the known species of the genus by the following combination of characters: anal point round baring 9 long and strong setae; inferior volsella oval with round margin and bearing 8 long and stout marginal setae; high AR (1.40).	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2844A084CB682C0938695136E953F061.taxon	description	Description. Adult male (n = 5). Total length 2.90 - 3.20, 2.98 mm. Wing length 1.43 - 1.55, 1.47 mm. Total length / wing length 1.88 - 2.08, 2.00. Wing length / length of profemur 2.26 - 2.41, 2.35. Coloration. Head, abdomen, legs brown; thorax with yellow ground with brown preepisternum and brownish black postnotum. Head. Antenna with 13 flagellomeres. Terminal flagellomere length 410 - 460, 440 μm. AR 1.31 - 1.55, 1.40. Temporal setae 8 - 11, 10, including 3 - 7, 4 inner verticals, 5 - 6, 5 outer verticals, and 0 - 1, 1 postorbital. Clypeus with 8 - 12, 10 setae. Tentorium 120 - 132, 126 μm long, 31 - 33, 32 μm wide. Palpomere lengths (in μm): 31 - 36, 32; 43 - 45, 44; 105 - 108, 107; 155 - 158, 156; 201 - 207, 204. L: 5 th / 3 rd 1.81 - 1.96, 1.91. Wing (Figure 19). VR 1.19 - 1.26, 1.21. Anal lobe well-developed. Brachiolum with 1 seta; R with 10 - 12, 10 setae; R 1 with 3 - 4, 3 setae; other veins bare. Squama 14 - 18, 16 setae. Costa extension 36 - 50, 46 μm long. Cu 1 slightly curved. Thorax (Figure 20). Antepronotum with 5 - 8, 6 lateral setae, dorsocentrals 20 - 25, 22, acrostichals 8 - 12, 10, prealars 7 - 8, 8. Scutellum with 12 - 17, 15 setae. Legs. Pulvilli present. Spur of fore tibia 45 - 48, 46 μm long, spurs of mid tibia both 19 - 24, 22 μm long; hind tibia with a long spur 48 - 52, 50 μm long, a short spur 17 - 24, 22 μm long and comb composed of 12 - 14, 13 spines. Width at apex of fore tibia 38 - 43, 41 μm, of mid tibia 31 - 40, 36 μm, of hind tibia 43 - 48, 45 μm. Lengths (in μm) and proportions of legs as in Table 8. Hypopygium (Figures 21 - 23). Laterosternite IX with 6 - 7, 6 setae. Tergite IX with round anal point, bearing 9 - 10, 9 long and strong setae. Phallapodeme 36 - 40, 38 μm long. Transverse sternapodeme 72 - 84, 81 μm long. Virga absent. Gonocoxite 153 - 168, 162 μm long with oval inferior volsella (Figure 23) with rounded margin and bearing 8 long, stout marginal setae. Gonostylus 89 - 96, 98 μm long, with small crista dorsalis. Megaseta 5 - 7, 6 μm long. HR 1.70 - 1.89, 1.75. HV 3.18 - 3.23, 3.22. Female, pupa and larva unknown.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2844A084CB682C0938695136E953F061.taxon	etymology	Etymology. The specific name is from Latin, ovatus, meaning egg-shaped, referring to the oval inferior volsella.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2844A084CB682C0938695136E953F061.taxon	distribution	Distribution. The new species is known from Zhejiang Province in Oriental China.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
D3CF7AB5C2A13F1BE265417C3A5A01A9.taxon	diagnosis	Diagnosis. The male imago can be distinguished from the known species of the genus by the following combination of characters: with few setae on squama, R 4 + 5 and acrostichals; gonostylus expanded at the apex; anal point triangular baring about 7 stout setae; inferior volsella inserted along the gonocoxite, parallel-sided.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
D3CF7AB5C2A13F1BE265417C3A5A01A9.taxon	description	Description. Adult male (n = 3). Total length 1.49 - 1.60 mm. Wing length 0.77 - 0.92 mm. Total length / wing length 1.74 - 1.75. Wing length / length of profemur 2.56 - 2.58. Coloration. Head, abdomen, legs light brown; thorax with light brown ground with brownish black postnotum and preepisternum. Head. Antenna with 13 flagellomeres. Terminal flagellomere length 115 - 153 μm, conspicuous swollen apically and with strong sensory setae. AR 0.26 - 0.48. Temporal setae 5 - 9, including 2 - 4 inner verticals, 3 - 5 outer verticals. Clypeus with 7 - 10 setae. Tentorium 72 - 84 μm long, 14 - 19 μm wide. Palpomere lengths (in μm): 22 - 24; 24 - 26; 48 - 55; 60 - 65; 91 - 96. L: 5 th / 3 rd 1.62 - 1.65. Wing (Figure 24). VR 1.15 - 1.27. Anal lobe obtuse. Brachiolum with 1 seta; R with 4 setae; R 4 + 5 with 0 - 1 seta; other veins bare. Squama with 0 - 1 seta. Costa extension 60 μm long. Cu 1 slightly curved. Thorax (Figure 25). Antepronotum with 4 - 6 lateral setae, dorsocentrals 6 - 9, acrostichals 0 - 1, prealars 4 - 6. Scutellum with 6 - 7 setae. Legs. Pulvilli present. Spur of fore tibia 29 - 34 μm long, spurs of mid tibia both 17 - 19 μm long; hind tibia with a long spur 31 - 33 μm long, a short spur 19 - 24 μm long and comb composed of 10 - 12, 11 spines. Width at apex of fore tibia 21 - 26 μm, of mid tibia 21 - 24 μm, of hind tibia 24 - 29 μm. Lengths (in μm) and proportions of legs as in Table 10. Hypopygium (Figures 26 - 30). Laterosternite IX with 3 - 4 setae. Anal point (Figure 28) subtriangular with round apex, 9 - 10 μm long and 24 - 26 μm wide, with 4 - 5 lateral setae and 2 - 5 long setae around the base. Phallapodeme 22 - 24 μm long. Transverse sternapodeme 43 - 48 μm long. Virga absent. Gonocoxite 77 - 89 μm long with reduced parallel-sided inferior volsella (Figure 29). Gonostylus (Figure 30) 43 - 50 μm long, expanded at the apex, crista dorsalis reduced. Megaseta 5 μm long. HR 1.60 - 1.83. HV 2.90 - 3.25. Female, pupa and larva unknown.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
D3CF7AB5C2A13F1BE265417C3A5A01A9.taxon	etymology	Etymology. The specific name is from Latin, paucus, meaning " few ", referring to the new species has few setae on squama, R 4 + 5 and acrostichals.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
D3CF7AB5C2A13F1BE265417C3A5A01A9.taxon	distribution	Distribution. The new species is known from Hunan Province in Oriental China.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2403A679A7A21BA42D69343CC1DF7C73.taxon	diagnosis	Diagnosis. Inferior volsella hook-liked, bended posteriad; gonostylus broadest at base and densely covered with microtrichia; virga with 5 - 8 stronger spines and 0 - 20 finer spinules; AR 0.8 - 1.1; dorsocentrals 10 - 16; R with 1 - 3 setae, exceptionally with 12 setae.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
2403A679A7A21BA42D69343CC1DF7C73.taxon	distribution	Distribution. Oriental China (Guizhou Province); U. S. A.; Canada.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
A650E4EACDD768F8267D7A6C1BDDE752.taxon	diagnosis	Diagnosis. AR 0.63 - 0.95; R with 3 - 13 setae, R 1 with 0 - 6 setae, R 4 + 5 with 0 - 13 setae; squama with 4 - 6 setae; inferior volsella trianguler at middle; virga consisting of very weak field of about 20 minute spinules; crista dorsalis low, HR 1.68 - 1.91, HV 2.53.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
A650E4EACDD768F8267D7A6C1BDDE752.taxon	distribution	Distribution. Oriental China (Hunan Province); U. S. A.; Canada.	en	Ren, Jing, Lin, Xiaolong, Wang, Xinhua (2014): Review of genus Pseudorthocladius Goetghebuer, 1943 (Diptera, Chironomidae) from China. ZooKeys 387: 51-72, DOI: http://dx.doi.org/10.3897/zookeys.387.5808, URL: http://dx.doi.org/10.3897/zookeys.387.5808
