taxonID	type	description	language	source
02973EF46CA458E6B79372E998D911B4.taxon	description	Figs 4, 17 – 20	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
02973EF46CA458E6B79372E998D911B4.taxon	diagnosis	Diagnosis. The new species can be easily recognized from other Chinese species by larger body size and distinct coloration.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
02973EF46CA458E6B79372E998D911B4.taxon	description	Description. Measurements of male: BL: 21.9 – 25.2 mm, FL: 9.33 – 10.78 mm. HL: 2.34 – 2.78 mm, HW: 3.09 – 3.58 mm, EYL: 1.18 – 1.32 mm, TL: 0.88 – 1.03 mm, PL: 3.52 – 4.20 mm, PW: 3.70 – 4.20 mm, EL: 4.07 – 5.12 mm, EW: 4.81 – 5.68 mm. HW / HL: 1.29 – 1.32, TL / EYL: 0.75 – 0.78, PL / PW: 0.95 – 1.00, EL / EW: 0.85 – 0.90. Body mostly black, except head and pronotum with strong golden tint on dorsal side, elytra light reddish-brown with several small dark marks, maxillary palpi, labial palpi and mandibles partially reddish-brown, legs reddish-brown, except for the trochanters, basal profemora and basal mesofemora blackish, tibial spurs dark brown, tarsomeres especially terminal segment more or less dark. Head 1.29 – 1.32 times as wide as long, eyes large, tempora 0.75 – 0.78 times as long as eye; surface with punctation dense and umbilicate; pubescence mostly golden; antennomeres 1 – 3 distinctly longer than wide, antennomere 4 as long as wide, antennomeres 5 – 10 distinctly transverse, gradually incrassate, segments 4 to 11 covered with dense pubescence; maxillary palpi slender; mandibles relatively slender, inner edge of left mandible with two small teeth and two teeth on lower plane, inner edge of right mandible with small tooth on upper plane and small tooth on lower plane. Pronotum 0.95 – 1.00 times as long as wide; punctation similar to that of head, pubescence golden, relatively longer and more distinct than that of head; disc with small middle specular patch near posterior margin; scutellum with dense rugulose punctation and black pubescence. Elytra 0.85 – 0.90 times as long as wide, punctation fine and dense, pubescence mostly golden. Mesoventrite and metaventrite covered with golden pubescence laterally. Abdomen with tergites densely punctate; tergites III – V each with a pair of large dark tomentose spots, the rest portions covered with golden pubescence, tergite VI and VII each with a pair of small dark tomentose spots near posterior margin which can be indistinct in some specimens, the rest portions covered with golden pubescence though that of basolateral portions more or less dark, tergite VIII covered with golden pubescence on basal two-thirds, and tergite VII with apical palisade fringe. Male. Abdominal sternite VIII with posterior margin emarginate in the middle; aedeagus (Figs 19, 20) asymmetrical, twisted to the right side in ventral view; median lobe with slender and elongate tip; paramere broad, with apical setae, subapical portion with cavity to accommodate the large apical tooth of the median lobe.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
02973EF46CA458E6B79372E998D911B4.taxon	etymology	Etymology. The specific epithet refers to the coloration of the new species.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
02973EF46CA458E6B79372E998D911B4.taxon	distribution	Distribution. China (Hainan).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
27A25ACC14275BA792E8F8FC04E8085E.taxon	description	Figs 1, 13 – 16	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
27A25ACC14275BA792E8F8FC04E8085E.taxon	diagnosis	Diagnosis. The new species belongs to the Platydracus brachycerus group, and it is similar to P. smetanai Zhou, Zhao & Tang, 2024 by sharing dense punctation of the head and short protarsomere 5. Yet, it can be distinguished from the latter by the distinctly larger body size (11.6 – 13.7 mm in P. smetanai) and a different aedeagus.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
27A25ACC14275BA792E8F8FC04E8085E.taxon	description	Description. Measurements of male: BL: 15.3 – 17.8 mm, FL: 8.00 – 8.11 mm. HL: 1.67 – 1.85 mm, HW: 2.28 – 2.41 mm, EYL: 0.68 mm, TL: 0.80 – 0.86 mm, PL: 2.47 – 2.65 mm, PW: 2.41 – 2.59 mm, EL: 3.15 – 3.27 mm, EW: 3.21 – 3.33 mm. HW / HL: 1.30 – 1.37, TL / EYL: 1.18 – 1.27, PL / PW: 1.00 – 1.03, EL / EW: 0.98 – 1.02. Body black, elytra with distinct copper tint, abdominal segments partially brownish, maxillary palpi, labial palpi and tarsomeres brownish with apical margin of each segment lighter, antennae dark brown with antennomeres gradually lighter apicad. Head 1.30 – 1.37 times as wide as long; eyes moderately large, tempora 1.18 – 1.27 times as long as eye; surface with punctation dense and coarse; anterior portion of frons impunctate; pubescence most brownish except that behind anterior margin and eyes silver; antennomeres 1 – 3 distinctly longer than wide, antennomere 4 as long as wide, antennomeres 5 – 10 distinctly transverse, gradually incrassate, segments 4 to 11 covered with dense pubescence; maxillary palpi stout with last segment narrowly subtruncate apically; mandibles robust, inner edge of left mandible with two teeth on upper plane and mid tooth on lower plane, inner edge of right mandible with blunt anterior tooth and sharp posterior tooth on upper plane and mid tooth on lower plane. Pronotum 1.00 – 1.03 times as long as wide; disc with narrow impunctate midline, punctation distinctly sparser than that of head, pubescence brownish; scutellum with dense rugulose punctation and dark pubescence. Elytra 0.98 – 1.02 times as long as wide, punctation dense and coarse, pubescence behind humeri, along suture and posterior elytral margin silver, pubescence of the rest parts brownish. Anterior legs with tibiae and tarsomeres distinctly stouter than those of the related species, tarsomere 5 rather short. Abdominal tergites III – VI with basal transverse depression, with punctures coarser at base, gradually become finer apicad; pubescence brownish except for that of lateral portion of tergite III which is silver. Male. Abdominal sternite VII with large median depression bearing numerous long dark brown setae; sternite VIII with posterior margin shallowly emarginate in the middle; aedeagus (Figs 15, 16) almost symmetrical, median lobe elongated with lateral sides subparallel forming broad round tip in ventral view; paramere elongated triangular, slightly curved ventrad in lateral view, without apical setae.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
27A25ACC14275BA792E8F8FC04E8085E.taxon	etymology	Etymology. The specific epithet refers to the type locality of the new species.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
27A25ACC14275BA792E8F8FC04E8085E.taxon	distribution	Distribution. China (Hainan).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
FAC13E827D9056DC97317C1FE4DC42C7.taxon	description	Figs 2, 9 – 12	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
FAC13E827D9056DC97317C1FE4DC42C7.taxon	description	Measurements. Male: BL: 13.4 – 19.3 mm, FL: 6.89 – 10.55 mm. HL: 1.60 – 2.65 mm, HW: 1.91 – 2.84 mm, EYL: 0.62 – 0.80 mm, TL: 0.74 – 1.23 mm, PL: 2.28 – 3.39 mm, PW: 2.10 – 3.15 mm, EL: 2.71 – 4.07 mm, EW: 2.59 – 3.95 mm. HW / HL: 1.07 – 1.19, TL / EYL: 1.20 – 1.54, PL / PW: 1.08 – 1.15, EL / EW: 1.03 – 1.07. Female: BL: 12.3 – 20.0 mm, FL: 7.00 – 9.67 mm. HL: 1.60 – 2.16 mm, HW: 1.97 – 2.59 mm, EYL: 0.56 – 0.74 mm, TL: 0.74 – 1.05 mm, PL: 2.34 – 3.15 mm, PW: 2.10 – 2.78 mm, EL: 2.71 – 3.70 mm, EW: 2.53 – 3.58 mm. HW / HL: 1.17 – 1.23, TL / EYL: 1.33 – 1.42, PL / PW: 1.11 – 1.13, EL / EW: 1.03 – 1.07.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
FAC13E827D9056DC97317C1FE4DC42C7.taxon	diagnosis	Diagnosis. The species is similar to P. brachycerus Smetana & Davies, 2000, in most aspects, but it can be distinguished from the latter by the more rounded temples, longer pronotum, and sparser punctation of the head.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
FAC13E827D9056DC97317C1FE4DC42C7.taxon	distribution	Distribution. China (Anhui, Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi, Taiwan, Zhejiang).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
401AF80964F35E4EA5A6992CD7347F52.taxon	description	Figs 3, 5 – 8	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
401AF80964F35E4EA5A6992CD7347F52.taxon	description	Measurements. Male: BL: 14.8 – 18.4 mm, FL: 8.78 – 9.22 mm. HL: 1.85 – 2.07 mm, HW: 2.59 – 2.82 mm, EYL: 0.82 – 0.89 mm, TL: 0.82 – 0.89 mm, PL: 2.90 – 3.21 mm, PW: 2.84 – 3.15 mm, EL: 3.21 – 3.89 mm, EW: 3.39 – 4.32 mm. HW / HL: 1.35 – 1.44, TL / EYL: 1.00, PL / PW: 1.02 – 1.13, EL / EW: 0.90 – 0.97. Female: BL: 12.2 – 14.9 mm, FL: 7.67 – 9.11 mm. HL: 1.70 – 2.07 mm, HW: 2.15 – 2.45 mm, EYL: 0.82 mm, TL: 0.67 – 0.82 mm, PL: 2.53 – 3.02 mm, PW: 2.47 – 2.96 mm, EL: 2.96 – 3.39 mm, EW: 3.09 – 3.64 mm. HW / HL: 1.18 – 1.32, TL / EYL: 0.82 – 1.00, PL / PW: 1.00 – 1.03, EL / EW: 0.93 – 0.98.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
401AF80964F35E4EA5A6992CD7347F52.taxon	diagnosis	Diagnosis. The species is widely distributed in South China, and its detailed distributional information will be listed in a forthcoming paper by Qing-Hao Zhao. In general appearance, the species is similar to P. plagiicollis (Fairmaire, 1891) which overlaps in distribution. Yet, P. marmorellus can be easily distinguished from the latter by bearing pale appressed microsetae on the forebody, which are absent in P. plagiicollis.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
401AF80964F35E4EA5A6992CD7347F52.taxon	distribution	Distribution. China (Hainan), Myanmar, Vietnam, Indonesia. New to China.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
F4A182451CA656E083E63F6BBA9E5431.taxon	description	Figs 25 – 28	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
F4A182451CA656E083E63F6BBA9E5431.taxon	description	Measurements. Male: BL: 12.3 mm, FL: 6.66 mm. HL: 1.74 mm, HW: 2.19 mm, EYL: 0.86 mm, TL: 0.56 mm, PL: 2.37 mm, PW: 2.36 mm, EL: 2.58 mm, EW: 2.88 mm. HW / HL: 1.26, TL / EYL: 0.65, PL / PW: 1.00, EL / EW: 0.90.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
F4A182451CA656E083E63F6BBA9E5431.taxon	diagnosis	Diagnosis. The species is similar to P. maculipennis (Kraatz, 1859) in most aspects, but it can be recognized from the latter by the posterolateral pale portion of elytra small and indistinctly yellowish (large and distinctly yellowish in P. maculipennis), abdomen with whitish setae (yellowish in P. maculipennis) and legs blackish (yellowish in P. maculipennis).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
F4A182451CA656E083E63F6BBA9E5431.taxon	distribution	Distribution. China (Hainan). Described from ‘ East Indies’. New to China.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
B8A1ECDEA4215961A587B15CB3ADCCE4.taxon	description	Figs 21 – 24	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
B8A1ECDEA4215961A587B15CB3ADCCE4.taxon	diagnosis	Diagnosis. The new species can be easily recognized from other Chinese species by abdominal tergites III – VII with median golden tomentose patches that are continuous along the midline (Fig. 21).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
B8A1ECDEA4215961A587B15CB3ADCCE4.taxon	description	Description. Measurements of male: BL: 9.6 – 16.8 mm, FL: 6.67 – 9.22 mm. HL: 1.42 – 1.85 mm, HW: 1.91 – 2.53 mm, EYL: 0.74 – 0.93 mm, TL: 0.37 – 0.74 mm, PL: 2.41 – 3.27 mm, PW: 2.34 – 3.02 mm, EL: 2.84 – 3.70 mm, EW: 2.84 – 3.76 mm. HW / HL: 1.24 – 1.39, TL / EYL: 0.40 – 0.80, PL / PW: 1.03 – 1.08, EL / EW: 0.94 – 1.02. Measurements of female: BL: 11.7 – 16.7 mm, FL: 6.78 – 9.00 mm. HL: 1.48 – 1.79 mm, HW: 1.91 – 2.41 mm, EYL: 0.93 mm, TL: 0.37 – 0.62 mm, PL: 2.41 – 3.15 mm, PW: 2.28 – 2.96 mm, EL: 2.78 – 3.52 mm, EW: 2.90 – 3.64 mm. HW / HL: 1.29 – 1.40, TL / EYL: 0.40 – 0.67, PL / PW: 0.95 – 1.06, EL / EW: 0.94 – 0.97. Body dark brown, pronotum reddish-brown along the margins, elytra reddish-brown with dark marks, maxillary palpi, labial palpi and mandibles reddish-brown, legs reddish-yellow, except for the trochanters and base of femora blackish, tibial spurs dark brown, tarsomeres more or less dark. Head 1.24 – 1.40 times as wide as long, eyes large, tempora 0.40 – 0.80 times as long as eye; surface with punctation dense and umbilicate; pubescence mostly brownish; antennomeres 1 – 3 distinctly longer than wide, antennomere 4 slightly shorter than wide, antennomeres 5 – 10 distinctly transverse, gradually incrassate, segments 4 to 11 covered with dense pubescence; maxillary palpi slender; mandibles relatively slender, inner edge of left mandible with two acute teeth and two teeth on lower plane, inner edge of right mandible with round tooth and acute tooth on upper plane and acute tooth on lower plane. Pronotum 1.03 – 1.08 times as long as wide; punctation and pubescence similar to that of head; disc with narrow impunctate midline in posterior one-fifth; scutellum with dense rugulose punctation and black pubescence. Elytra 0.94 – 1.02 times as long as wide, punctation fine and dense, pubescence comprised of two types of setae, long setae mostly brownish, short setae mostly whitish. Abdomen with tergites densely punctate; tergites III – VII each with median golden tomentose patch and a pair of large dark tomentose spots, the lateral portions covered with long brown setae and short white setae, tergite VIII covered with golden pubescence which is distinctly sparse in apical third, tergite VII with apical palisade fringe. Male. Abdominal sternite VIII with posterior margin emarginate in the middle; aedeagus (Figs 23, 24) asymmetrical, twisted to right side in ventral view; median lobe with broad and round tip; paramere broad, with apical setae, subapical portion with cavity to accommodate apical tooth of the median lobe.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
B8A1ECDEA4215961A587B15CB3ADCCE4.taxon	etymology	Etymology. This species is named in honor of Mr Cheng-Lin Zhou who collected many Platydracus specimens.	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
B8A1ECDEA4215961A587B15CB3ADCCE4.taxon	distribution	Distribution. China (Hainan).	en	Huang, Jia-Yi, Chen, Jia-Wei, Tang, Liang (2024): The genus Platydracus Thomson in Hainan, South China (Coleoptera, Staphylinidae, Staphylininae). ZooKeys 1212: 129-141, DOI: 10.3897/zookeys.1212.128295
