A taxonomic study of Cheiloneurus Westwood (Hymenoptera, Encyrtidae) from China Author Wang, Haiyang https://orcid.org/0009-0007-5665-2111 College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China Author Cui, Wenyu https://orcid.org/0009-0003-2930-9028 College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China Author Xi, Chunxiang College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China Author Cao, Xinyu College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China Author Li, Weiqiong College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China Author Zu, Guohao https://orcid.org/0000-0002-9892-2171 College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin, 300392, China text ZooKeys 2024 2024-04-24 1198 143 172 http://dx.doi.org/10.3897/zookeys.1198.118944 journal article http://dx.doi.org/10.3897/zookeys.1198.118944 1313-2970-1198-143 165FDADCB6D64C89BE962698FA88806E EE9F2DD69215598DBC4A5EFEA3AEB465 Cheiloneurus hadrodorys Anis & Hayat, 2002 Figs 84-86 , 93-98 Cheiloneurus hadrodorys Anis and Hayat 2002 : 138, 173-175. Holotype ♀, BMNH, Nepal. Material examined. China - Guangxi • 6♀ ; Qinzhou , Beibu Culf University ; 21°53'53"N , 108°36'56"E ; 24 m elev.; 11-18 May 2019 , 04-13 Jan. 2020 ; Wen-Quan Zhen leg.; by Malaise trapping; TJAU-GX-CHE-055 to 060 - Yunnan • 1♀ ; Chuxiong Yi Autonomous Prefecture ; 25°1'58"N , 101°32'45"E ; 1773 m elev.; 01-15 Jun. 2022 ; Jia-Le Lv ; by Malaise trapping; TJAU-YN-CHE-004 . Description. Female . Length, excluding ovipositor, 1.67-1.89 mm. Body generally brown; gena with metallic-green luster, frontovertex dark brown, mandible with three acute teeth. Antennal radicle brown, scape yellow, and inner margin brown, pedicel and F1-F3 with brown, F4 yellowish white, F5 brown, F6 and clava with dark brown. Pronotum mostly brown, but left and right margin with yellow; mesoscutum dark brown; axilla, scutellum and mesopleuron yellow, propodeum yellow, left and right margin dark brown with metallic-green luster. Leg yellowish white, except apical half of hind femora dark brown. Metasoma mostly brown to dark brown and basal quarter yellow; frontovertex (Fig. 93 ) 0.24-0.27 x head width; eye height 2.13-2.5 x malar space; antennal (Fig. 94 ) scape 5-5.48 x as long as wide; pedicel 2.07 x as long as wide and longer than F1, funicle 6-segmented, with F1-F6 widening gradually, clava 3-segmented, 2.25-2.25 x as long as wide, longer than F4-F6 combined; fore wing (Fig. 96 ) 3.47-3.71 x as long as wide; linea calva closed posteriorly by several lines of setae; mid tibial spur (Fig. 98 ) 0.36-0.38 x as long as mid tibia and longer than basitarsus, ovipositor (Fig. 95 ) 1.86-2.07 x as long as mid tibia, strongly exserted. Figures 84-92. 84-86 Cheiloneurus hadrodorys ♀ 84 dorsal habitus 85 lateral habitus 86 ventral habitus 87-89 Cheiloneurus nankingensis ♀ 87 dorsal habitus 88 lateral habitus 89 ventral habitus 90-92 Cheiloneurus quercus ♀ 90 dorsal habitus 91 lateral habitus 92 ventral habitus. Figures 93-98. Cheiloneurus hadrodorys ♀ 93 head 94 antenna 95 mesosoma and metasoma 96 fore wing 97 hind wing 98 legs. Scale bars: 100 μm . Host. Pseudococcidae : Saccharicoccus sacchari ( Anis and Hayat 2002 ). Distribution. China (Yunnan, Guangxi), India, Nepal, Pakistan, Sri Lanka. Comments. This is the first record from China.