taxonID	type	description	language	source
63AA9A50C1F759D1A6F95EDD4406CD69.taxon	etymology	Etymology. From Latin, trigonum means triangle, referring to the triangular tergite IX.	en	Song, Chao, Wang, Xinhua, Bu, Wenjun, Qi, Xin (2020): Morphology lies: a case-in-point with a new non-biting midge species from Oriental China (Diptera, Chironomidae). ZooKeys 909: 67-77, DOI: http://dx.doi.org/10.3897/zookeys.909.39347, URL: http://dx.doi.org/10.3897/zookeys.909.39347
63AA9A50C1F759D1A6F95EDD4406CD69.taxon	description	Diagnostic characters. The male adults could be obviously distinguished from other Kiefferulus species by the triangular IX tergite, superior volsella with projection and basal part of inferior volsella wider than distal part.	en	Song, Chao, Wang, Xinhua, Bu, Wenjun, Qi, Xin (2020): Morphology lies: a case-in-point with a new non-biting midge species from Oriental China (Diptera, Chironomidae). ZooKeys 909: 67-77, DOI: http://dx.doi.org/10.3897/zookeys.909.39347, URL: http://dx.doi.org/10.3897/zookeys.909.39347
63AA9A50C1F759D1A6F95EDD4406CD69.taxon	description	Description. Male imago (N = 9). Total length 4.78 - 5.90, 5.30 mm; wing length 2.13 - 2.85, 2.46 mm; total length / wing length 1.95 - 2.38, 2.16; wing length / length of profemur 1.98 - 2.33, 2.12. Coloration. Head, thorax and abdomen brown, legs yellowish except distal fore femur and tarsus I light brown. Head. Frontal tubercle absent. AR 3.07 - 3.69, 3.25. Temporal setae 15 - 25, 20; Clypeus with 20 - 33, 26 setae; Palpomere lengths (in μm): 38 - 55; 47; 115 - 153, 128; 123 - 163,141; 170 - 245, 208. Length of 5 th palpomere / 3 rd palpomere 1.42 - 2.04, 1.61. Wing (Fig. 2 A) VR 1.07 - 1.14, 1.10; Brachiolum with 2 - 3 setae; R with 20 - 29, 25 setae; R 1 with 13 - 21, 17 setae; R 4 + 5 with 12 - 18, 15 setae; squama with 9 - 19, 15 setae. Anal lobe developed. Thorax. Dorsocentrals 8 - 13, 12; acorstichals 20 - 28, 23; prealars 5 - 7, 6; scutellum 10 - 18, 12 setae. Legs. Tarsomere 1 of Mid and hind leg with 9 - 20, 14 and 6 - 17, 10 sensilla chaetica respectively. Front scale bluntly rounded; Spurs of mid tibia 23 - 38, 29 μm, and 25 - 33, 29 μm long, of hind tibia 28 - 38, 32 μm, and 25 - 35, 29 μm. Width at apex of front tibia 75 - 98, 85 μm, of mid tibia 83 - 95, 89 μm, of hind tibia 90 - 110, 98 μm. Lengths and proportions of legs as the Table 1. Hypopygium (Figs 2 B-D, 3). Anal tergite bands medially fused, and median anal tergite seta absent. Anal point basically narrow and apically broaden. Superior volsella with pad-like microchichiose and setose base, with long finger like projection inward to the apex of anal point. Inferior volsella slender, with strong distal setae. Gonocoxite 270 - 310, 293 μm long, gonostylus 180 - 210, 198 μm, with numerous distal microtrichia. Phallapodeme 220 - 250, 232 μm; transverse sternapodeme 100 - 113, 108 μm. HR 1.42 - 1.61, 1.49; HV 1.95 - 2.88, 2.59. Larva and female unknown.	en	Song, Chao, Wang, Xinhua, Bu, Wenjun, Qi, Xin (2020): Morphology lies: a case-in-point with a new non-biting midge species from Oriental China (Diptera, Chironomidae). ZooKeys 909: 67-77, DOI: http://dx.doi.org/10.3897/zookeys.909.39347, URL: http://dx.doi.org/10.3897/zookeys.909.39347
63AA9A50C1F759D1A6F95EDD4406CD69.taxon	distribution	Distribution. Fujian Province, Guizhou Province, Guangxi Zhuang Autonomous Region, and Hainan Province (Oriental China).	en	Song, Chao, Wang, Xinhua, Bu, Wenjun, Qi, Xin (2020): Morphology lies: a case-in-point with a new non-biting midge species from Oriental China (Diptera, Chironomidae). ZooKeys 909: 67-77, DOI: http://dx.doi.org/10.3897/zookeys.909.39347, URL: http://dx.doi.org/10.3897/zookeys.909.39347
