taxonID	type	description	language	source
03A985717B3E6747FF25E59CEEAC23A0.taxon	materials_examined	Type species: Typhlocyba parvula Boheman, 1845	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3E6747FF25E59CEEAC23A0.taxon	description	Description. Body color varied, white, yellow, reddish, brown or black. Crown anterior margin weakly produced, broadly rounded apically. Coronal suture distinct. Eyes grey or black, ocelli absent. Vertex usually with pair of black or brown spots, in some species the spots absent or inconspicuous. Face convex in profile. Anteclypeus pale, concolorous with rest of face or dark. Lorum broad. Pronotum wider than head, usually with round or irregular dark spots. Scutellum with dark lateral triangles. Forewings with or without markings or spots. Abdominal apodemes broad or narrow, extending to sternite III or sternite IV. Pygofer lobe broad, with some microsetae scattered near caudal margin. Pygofer dorsal appendage present, movably articulated to pygofer side, ventral appendages absent. Subgenital plate surpassing caudal margin of pygofer, base and end broad, middle constricted, upper margin usually with one row of microsetae extending from subbase to end, middle or upper subbase usually with three macrosetae in oblique row. Style with preapical lobe, and style apex with two or three points. Connective U- or V-shaped, without median anterior lobe. Aedeagus tubular or flat, usually with paired or unpaired processes; preatrium and dorsoatrium prominent; gonopore apical or subapical.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3E6747FF25E59CEEAC23A0.taxon	distribution	Distribution: Palaearctic or Oriental regions. Species checklist of Arboridia with distribution in China	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3D6747FF25E6B1EF4227FB.taxon	description	(Figs 1 a – d, 4) Description. Body medium sized and light yellowish brown (Fig. 1 a). Crown with V-shaped brown stripe, and a wide brown stripe along the coronal suture to the crown anterior margin (Figs 1 a, c). Coronal suture short, about 1 / 3 vertex middle length (Figs 1 a, c). The middle part of the frontoclypeus area yellowish, the rest of the part brownish; anteclypeus broad and blackish brown (Fig. 1 d). Pronotum yellowish-brown, anterior and lateral regions brownish, posterior region with two symmetrical irregular brown black patterns; scutellum yellow, with basal triangles black, and with a small black triangle spot between basal triangles (Figs 1 a, c). Forewing semitransparent, brown (Figs 1 a, b). Abdominal apodemes small and short, extending close to end of 3 rd sternite (Fig. 4 b). Pygofer lobe broad, posterior margin truncate, with several microsetae dispersed on lower half of medial part of posterior margin (Fig. 4 a). Dorsal appendage slightly angularly irregularly bifurcated at end, smaller branch darkly pigmented (Figs 4 a, c). Subgenital plate with four macrosetae arranged on mid-upper margin of subbasal part, one slightly shorter and thinner near base; subbasal part bearing three rows of short stout setae on upper margin and one row from subbase to apex; several similar microsetae scattered caudally (Fig. 4 a). Style apex with three short toothlike points; preapical lobe well developed (Figs 4 e, f). Aedeagus tubular ventrally, slightly compressed in lateral view, with two pairs of processes, one pair short apical, another equal length to shaft on dorsal base, which inflated and then tapered at the tip, resembling a bird’s head, and darker in color, and subbase ventral of shaft with a triangular lamellar extension; gonopore apical on ventral surface; preatrium and dorsoatrium both shorter than aedeagal shaft, neither expanded (Figs 4 g, h). Connective V-shaped, with two long arms (Fig. 4 d). Measurement. Body length male 2.7 – 2.8 mm, females 2.8 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3D6747FF25E6B1EF4227FB.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Baoji, Shennong Township, 5 – 10 August 2020, coll. Malaise trap; Paratypes: 2 ♂ 3 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3D6747FF25E6B1EF4227FB.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) cambera (Song & Li, 2016), but can be distinguished by the apically bifurcated dorsal pygofer appendage; ventral subbase of aedeagal shaft with a triangular lamellar process and long aedeagal processes at dorsal base of shaft, apically shaped like a bird’s head.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3D6747FF25E6B1EF4227FB.taxon	etymology	Etymology. The specific epithet is derived from the Latin “ anceps ”, referring to this new species with pair of bird’s head-like aedeagal processes.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E5D4EFAC224B.taxon	description	(Figs 1 e – h)	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E5D4EFAC224B.taxon	materials_examined	Material examined. 1 ♂, CHINA, Shaanxi Prov., Yan’an, Ziwuling Mountains, 12 August – 4 September 2018, coll. Malaise trap.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E5D4EFAC224B.taxon	distribution	Distribution. China (Anhui, Guizhou, Hebei, Henan, Hubei, Jiangsu, Jiangxi, Liaoning, Shandong, Shaanxi, Taiwan, Jiangsu, Zhejiang); Japan, Korea, Russia.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E7DBEF1623A9.taxon	description	(Figs 1 i – l)	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E7DBEF1623A9.taxon	materials_examined	Material examined. 1 ♂ 4 ♀, CHINA, Shaanxi Prov., Baoji, Qingfeng Gorge, 15 August 2020, coll. Hongfen Zou. Distribution. China (Henan, Shaanxi).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E6B5E9852709.taxon	description	(Figs 1 m – p, 5) Description. Crown light yellow, with pair of dark preapical spots (Figs 1 m, o). Coronal suture developed, exceeding 1 / 2 length of crown (Figs 1 m, o). Frontoclypeus area yellow, anteclypeus broad and blackish brown (Fig. 1 p). Eyes grey. Pronotum anterior regions light yellow, central part and posterior region from brownish to light brown (Figs 1 m, o). Forewing semitransparent, brownish (Figs 1 m, n). Male abdominal apodemes extending to end of 3 rd sternite (Fig. 5 c). Pygofer dorsal appendage with apex hooklike, curved dorsad (Figs 5 a, d). Subgenital plate with three macrosetae in oblique row and row of short stout setae from subbase to apex (Fig. 5 b). Style with three points at apex, second point longest, third point smallest; preapical lobe well developed (Figs 5 f, g). Aedeagus flat, with a short apical process and a pair of thick fingerlike processes extending dorsally in lateral view in the middle; gonopore apical on ventral surface; preatrium longer than shaft and expanded in ventral view; dorsoatrium large in lateral view (Figs 5 h, i). Connective thick, V-shaped (Fig. 5 e). Measurement. Length of male 2.4 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E6B5E9852709.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Yan’an, Ziwuling Mountain, 12 August 2018 – 4 September 2018, coll. Malaise trap; Paratypes: 1 ♂, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E6B5E9852709.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) cuihuashana Song & Li, 2013, but can be distinguished by aedeagal shaft with a short apical process and a pair of thick fingerlike processes extending dorsally in lateral view; preatrium longer than shaft; dorsoatrium broad in lateral view.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6741FF25E6B5E9852709.taxon	etymology	Etymology. The specific epithet is derived from the combination of the similar species name “ cuihuashana ” and the Latin “ - astra ”, referring to similarity of the aedeagus to that of A. (Arboridia) cuihuashana.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6740FF25E215E870238C.taxon	description	(Figs 1 q – t, 6) Description. Crown pale yellow, with pair of dark preapical spots; coronal suture evident only at the base; a brown linear stripe extends along the coronal suture to the anterior margin of crown (Figs 1 q, s). Eyes black. Frontoclypeus with median area yellow, remaining portions dark brown; anteclypeus black; lorum with yellowish ground color infused with black pigmentation (Fig. 1 t). Pronotum pale yellow, anterior region with pair of pale brown spots; scutellum yellow (Figs 1 q, s). Forewings fulvous (Figs 1 q, r). Male abdominal apodemes not extending to hind margin of 3 rd sternite (Fig. 6 b). Pygofer lobe broad, with some similar microsetae and a few short stout setae scattered caudally (Fig. 6 a). Pygofer dorsal appendage wide basally, slightly narrowed apically, with short, hook-shaped posterodorsal process in lateral view (Figs 6 a, c 1, c 2). Subgenital plate with three macrosetae, short stout setae clustered subbasally and one row of short setae from subbase to apex (Fig. 6 a). Style with three points apically (Figs 6 e, f). Aedeagus tubular in ventral view; flattened and irregularly shaped in lateral view, ventral half short (approximately half total aedeagal length), with apex undulate, dorsal half elongate; shaft dorsal base with pair of fingerlike processes, slightly shorter than shaft; gonopore subapical on ventral surface; dorsoatrium enlarged, preatrium shorter than shaft (Figs 6 g, h). Connective U-shaped, with two long arms (Fig. 6 d). Measurement. Body length male 3.00 – 3.05 mm, females 3.00 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6740FF25E215E870238C.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Yunnan Prov., Zhaotong, Yanjin, 7 August 2024, coll. Hongfen Zou; Paratypes: 1 ♂, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6740FF25E215E870238C.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) anceps Zou & Zhang sp. nov., but can be distinguished by the hook-shaped apex of the dorsal pygofer appendage; aedeagal shaft ventral half approximately half the length of the dorsal half and with apex undulate, the digitiform processes of shaft dorsal base, and the shaft apex and subbase without any processes.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3B6740FF25E215E870238C.taxon	etymology	Etymology. The specific epithet is derived from the combination of the Latin word “ fluctus ” and the Latin suffix “ - formis ”, referring to the aedeagal shaft ventral half with undulate apical margin in lateral view.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6740FF25E691EE7926B0.taxon	description	(Figs 1 u – x, 7) Description. Body creamy yellow. Crown anterior margin orange (Figs 1 u, w). Coronal suture short, about 1 / 3 vertex middle length (Figs 1 u, w). Eyes gray. Face yellow (Fig. 1 x). Pronotum central part orange, the remaining part creamy yellow; scutellum with lateral triangles dark (Figs 1 u, w). Forewings brownish yellow (Figs 1 u, v). Male abdominal apodemes small, not surpassing 3 rd sternite (Fig. 7 b). Pygofer lobe broad, upper part of caudal clustered with microsetae, posterior margin inferior with four short stout setae (Fig. 7 a). Pygofer dorsal appendage apex with long slender posterodorsal spine and shorter, thicker anteroventral point (Figs 7 a, c). Style with two points apically, second point elongate and with dark color; preapical lobe prominent, large (Figs 7 e, f). Aedeagus tubular, base ventral with a pair of processes longer than shaft and a pair of basolateral lobes; gonopore apical on ventral surface; dorsoatrium enlarged, preatrium longer than shaft (Figs 7 g, h). Connective V-shaped, arms tapered (Fig. 7 d). Measurement. Body length male 3.1 – 3.2 mm, females 3.2 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6740FF25E691EE7926B0.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Baoji, Qingfeng Gorge, 10 – 15 May 2021, coll. Malaise trap; Paratypes: 4 ♂ 1 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6740FF25E691EE7926B0.taxon	discussion	Remarks. This new species can be distinguished from other species in this genus by the well-developed and bifurcated pygofer dorsal appendage; the aedeagus with basal processes longer than the shaft and a pair of basolateral lobes; the dorsoatrium enlarged and the preatrium longer than the shaft.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6740FF25E691EE7926B0.taxon	etymology	Etymology. The specific epithet is derived from the Latin “ longior ”, referring to the basal processes of the aedeagal shaft and the dorsoatrium longer than the shaft.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6742FF25E24CEF702318.taxon	description	(Figs 2 a – d, 8) Description. Body orange yellow (Figs 2 a, b). Crown yellow, with two whitish preapical spots medially (Figs 2 a, c). Face yellow (Fig. 2 d). Forewings base orange, the rest brown (Figs 2 a, b). Male abdominal apodemes small, not surpassing 3 rd sternite (Fig. 8 b). Pygofer lobe with some microsetae clustered near caudal margin, and several short stout setae scattered in ventro-cephalic angle and near caudal margin (Fig. 8 a). Pygofer dorsal appendage bifurcated near base, dorsal branch longer than ventral branch (Figs 8 a, c). Subgenital plate with three rows of short stout setae on subbase upper margin, and narrowing in central part (Fig. 8 a). Style slender, with three points apically, third point longest and second point shortest, space between first point and third point U-shaped in lateral view; preapical lobe small (Figs 8 e, f). Aedeagus tubular in ventral view and slightly flattened in lateral view, shaft with two lamellar processes on dorsal close to apex and single fingerlike process on ventral middle; gonopore subapical on ventral surface; dorsoatrium developed, preatrium expanded in ventral view, almost as long as shaft (Figs 8 g, h). Connective Yshaped, two arms long, stem developed but much shorter than arms (Fig. 8 d). Measurement. Body length male 2.8 – 2.9 mm, females 2.9 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6742FF25E24CEF702318.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Yunnan Prov., Pu’er, Sun River National Forest Park, 1 July 2021, coll. Xian Zhou; Paratypes: 1 ♀, same data as holotype; 2 ♂, CHINA, Yunnan Prov., Honghe, Lvchun, 13 July 2017, coll. Zonglei Liang.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6742FF25E24CEF702318.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) tridentata Song & Li, 2013, but can be distinguished by the strongly medially narrowed subgenital plate; the forked pygofer dorsal appendage; the prolonged third point of the style; and the aedeagal shaft with pair of lateroapical flanges.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B3A6742FF25E24CEF702318.taxon	etymology	Etymology. The specific epithet is derived from the Latin “ medialis ”, referring to the shaft with a long fingerlike process on the central ventral side.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E625EF9F265C.taxon	description	(Figs 2 e – h, 9) Description. Vertex and face milky yellow (Figs 2 e, g, h). Eyes black. Pronotum brownish red; scutellum brown (Figs 2 e, g). Forewings brownish red with white spots (Figs 2 e, f). Male abdominal apodemes slightly extended to 4 th sternite (Fig. 9 b). Pygofer lobe broad, posterior margin truncate, upper part of caudal area clustered with microsetae, posteroventral margin with three short stout setae (Fig. 9 a). Pygofer dorsal appendage slender, sinuate (Figs 9 a, c). Subgenital plate with three rows of short stout setae on upper margin and one row from subbase to apex, and several similar short stout setae scattered caudally (Fig. 9 a). Style with three points at apex (Figs 9 e, f). Aedeagus tubular in ventral view, broad and flat in lateral view, shaft subapical ventral surface with a fingerlike process; gonopore large, apical on ventral surface; preatrium almost as long as shaft (Figs 9 g, h). Connective V-shaped, lateral arms long and stem short (Fig. 9 d). Measurement. Body length 3.3 – 3.4 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E625EF9F265C.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Yunnan Prov., Pu’er, Xujiaba, 29 April 2018, coll. Lin Lv; Paratypes: 1 ♂ 1 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E625EF9F265C.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) erythrina Thapa, 1989, but can be distinguished by the slender, sinuate pygofer dorsal appendage; the style with three points at apex; and the broad aedeagus in lateral view with slightly expanded dorsoatrium.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E625EF9F265C.taxon	etymology	Etymology. The specific epithet is derived from the Latin “ orbicularis ”, referring to the white circular spot in the middle of the forewing when the wings are at rest.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E3E1EE2927DA.taxon	description	(Figs 2 i – l)	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E3E1EE2927DA.taxon	materials_examined	Material examined. 1 ♂, CHINA, Yunnan Prov., Yuxi, Yuanjiang, 30 April 2016, coll. Lin Lv; 1 ♂, CHINA, Shanxi Prov., Jincheng, Yangcheng, 22 July 2006, coll. Yanni Duan; 1 ♂, CHINA, Shaanxi Prov., Xianyang, Wugong, 14 May 1982, coll. Yizhi Sun.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B386742FF25E3E1EE2927DA.taxon	distribution	Distribution. China (Shaanxi, Shanxi, Yunnan); Siberia.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E5D4ECFA241C.taxon	description	(Figs 2 m – p, 10) Description. Vertex pale brown with pair of black spots, anterior margin with brown bands extending to the face (Figs 2 m, o). Coronal suture short, with triangular black spots at the base (Figs 2 m, o). Frontoclypeus area dark brown on both sides and brown in the middle part; anteclypeus brown (Fig. 2 p). Pronotum white brown; scutellum yellow, triangulars bright black, with two light brown small circular spots above the scutoscutellar sulcus (Figs 2 m, o). Forewing semitransparent, brownish (Figs 2 m, n). Male abdominal apodemes extending to posterior margin of 3 rd sternite (Fig. 10 b). Pygofer lobe broad, upper caudal area clustered with microsetae, and several short stout setae scattered near caudal margin (Fig. 10 a). Pygofer dorsal appendage with a subtriangular lobe dorsomedially (Figs 10 a, c). Subgenital plate with three macrosetae on lateral surface, subbasal upper margin bearing three rows of short stout setae one of which extends to apex, and caudal lower margin with a row of microsetae (Fig. 10 a). Style long and slender, with three short toothlike points; preapical lobe developed (Figs 10 e, f). Aedeagal shaft slightly flat viewed ventrally, tubular and dorsally curved viewed laterally, shaft apex with pair of triangular lateral lamellar processes and a thin fingerlike medial process curved posteroventrad; gonopore subapical on dorsal surface; preatrium shorter than shaft; dorsoatrium longer than preatrium (Figs 10 g, h, i). Connective V-shaped, stem broad and short (Fig. 10 d). Measurement. Body length male 2.9 – 3.1 mm, females 3.2 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E5D4ECFA241C.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Baoji, Tongtianhe National Forest Park, 8 July 2021, coll. Yan Ma; Paratypes: 6 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E5D4ECFA241C.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) suputinkaensis (Vilbaste, 1968), but can be distinguished by the pronotum without any spots or markings; the fingerlike apical process of the aedeagus; the well developed preatrium; the larger second point of the style; and dorsal subapical gonopore.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E5D4ECFA241C.taxon	etymology	Etymology. The specific epithet is derived from the Latin “ procurvus ”, referring to the slender and dorsally curved aedeagal shaft.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E115EF9A25B6.taxon	description	(Figs 2 q – t)	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E115EF9A25B6.taxon	materials_examined	Material examined. 3 ♂ 2 ♀, CHINA, Shaanxi Prov., Baoji, Shennong Township, 10 August 2020, coll. Hongfen Zou; 14 ♂ 11 ♀, CHINA, Yunnan Prov., Lijiang, Xinzhu Village, 16 June 1999, coll. I. Dworakowska; 1 ♂, CHINA, Sichuan Prov., Wenchuan, Yingxiu Town, 25 May 1999, coll. I. Dworakowska.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E115EF9A25B6.taxon	distribution	Distribution. China (Shaanxi, Sichuan, Yunnan).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E34FEF1826F4.taxon	description	(Figs 2 u – x)	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674DFF25E34FEF1826F4.taxon	materials_examined	Material examined. 1 ♂, CHINA, Hubei Prov., Enshi, Baiguo Township, 15 September 2019, coll. Zonglei Liang. Distribution. China (Hubei, Yunnan).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674CFF25E208E92026C6.taxon	description	(Figs 3 a – d, 11) Description. Crown pale yellow, with pair of inconspicuous yellow circular spots medially, and anterior region with orange patch extending to the face (Figs 3 a, c). Coronal suture extends to midlength of crown (Figs 3 a, c). Eyes gray. Face pale yellow (Fig. 3 d). Pronotum with central part orange, and area all around pale yellow; scutellum yellow, with a median orange stripe (Figs 3 a, c). Forewing semitransparent and with orange bands, base and end brown and middle part brownish white (Figs 3 a, b). Male abdominal apodemes small, not surpassing 3 rd sternite (Fig. 11 b). Pygofer lobe broad, posterior margin truncate, with numerous short stout setae scattered caudally (Fig. 11 a). Pygofer dorsal appendage irregularly bifurcated at end, with branches widely divergent and dorsal branch slightly longer and thinner than ventral branch (Figs 11 a, c). Subgenital plate with three macrosetae in oblique row and row of short stout setae from subbase to apex (Fig. 11 a). Style with two points apically, second point elongated and darkly pigmented (Figs 11 e, f). Aedeagal shaft tubular, with pair of processes longer than shaft at base; gonopore apical; preatrium expanded in ventral view and longer than shaft, dorsoatrium expanded in lateral view (Figs 11 g, h). Connective U-shaped, lateral arms thin (Fig. 11 d). Measurement. Body length male 3.1 mm, females 3.2 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674CFF25E208E92026C6.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Shaanxi Prov., Baoji, Qingfeng Gorge, 10 – 15 May 2021, coll. Malaise trap; Paratypes: 2 ♂ 2 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674CFF25E208E92026C6.taxon	discussion	Remarks. This new species resembles A. (Arboridia) longiora sp. nov. in external appearance and in the structure of the pygofer appendage, style and aedeagus, and the type series of these two species were collected at the same locality. However, A. (Arboridia) tenuicava can be distinguished by the evenly tapered aedeagal processes and the absence of rounded lateral lobes near the base of the aedeagus; the preatrium expanded in ventral view and dorsoatrium slightly shorter than aedeagal shaft.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B37674CFF25E208E92026C6.taxon	etymology	Etymology. The specific epithet is derived from the combination of the Latin words “ tenuis ” and “ cavus ” (hollow), used here as an referring to the hollow, tubelike preatrium of the aedeagus.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B2C6756FF25E5D4EE9223C4.taxon	description	(Figs 3 e – h, 12) Description. Crown white posteriorly, brownish yellow anterolaterally, with two large, nearly triangular black spots (Figs 3 e, g). Coronal suture more than 1 / 2 length of crown (Figs 3 e, g). Eyes gray. Frontclypeus pale yellow infused with brown; anteclypeus light brown (Fig. 3 h). Pronotum with central part brownish red, and area all around brownish yellow; scutellum white, with apex yellow; triangulars large and black (Figs 3 e, g). Forewing tip brown transparent, other areas and veins red with brown (Figs 3 e, f). Male abdominal apodemes extending to posterior margin of 3 rd sternite (Fig. 12 b). Genital capsule cylindrical (Fig. 12 a). Pygofer lobe rounded, upper part of caudal clustered with microsetae, ventro-cephalic angle scattered with short slender setae (Fig. 12 a). Dorsal appendage bifurcated from base, both branches equal in length (Figs 12 a, c). Subgenital plate with three macrosetae on lateral surface, subbasal upper margin bearing two rows of short stout setae one of which extends to apex (Fig. 12 a). Style slender, with two points apically subequal in size (Figs 12 e, f). Aedeagal shaft tubular viewed ventrally, slightly flat viewed laterally, shaft base with pair of processes; gonopore subapical on ventral surface; preatrium expanded in ventral view and shorter than shaft; dorsoatrium expanded in lateral view (Figs 12 g, h). Connective V-shaped, central lobe concave anteriorly (Fig. 12 d). Measurement. Body length male 2.9 mm, females 2.9 – 3 mm (including wing).	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B2C6756FF25E5D4EE9223C4.taxon	materials_examined	Material examined. Holotype: ♂, CHINA, Yunnan Prov., Pu’er, Wanshuigou, 28 April 2014, coll. Lin Lv; Paratypes: 6 ♀, same data as holotype.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B2C6756FF25E5D4EE9223C4.taxon	discussion	Remarks. This new species is similar to A. (Arboridia) kermanshah (Dlabola, 1963), but can be distinguished by the cylindrical genital capsule; bifurcated dorsal pygofer appendage; aedeagal shaft tubular in ventral view and slightly flat in lateral view; and connective with posteriorly concave central lobe.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
03A985717B2C6756FF25E5D4EE9223C4.taxon	etymology	Etymology. This new species is named for its type locality, Wanshuigou.	en	Zou, Hongfen, Zhang, Yalin (2026): Taxonomic study of the leafhopper genus Arboridia from China (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini). Zootaxa 5750 (1): 34-54, DOI: 10.11646/zootaxa.5750.1.2, URL: https://doi.org/10.11646/zootaxa.5750.1.2
