A new bamboo-feeding species of the genus Pseudosymplanella Che, Zhang & Webb, 2009 (Hemiptera, Caliscelidae, Ommatidiotinae) from China Author Gong, Nian https://orcid.org/0000-0002-8878-5337 Guizhou Provincial Engineering Research Center of Medical Resourceful Healthcare Products, Guiyang Healthcare Vocational University, Guiyang, Guizhou, 550081, China Author Chen, Xiang-Sheng https://orcid.org/0000-0001-9801-0343 Institute of Entomology, Guizhou University, Guiyang, Guizhou, 550025, China Author Yang, Lin https://orcid.org/0000-0002-7841-5156 Institute of Entomology, Guizhou University, Guiyang, Guizhou, 550025, China yanglin6626@163.com text ZooKeys 2023 2023-12-11 1186 97 104 http://dx.doi.org/10.3897/zookeys.1186.111838 journal article http://dx.doi.org/10.3897/zookeys.1186.111838 1313-2970-1186-97 7A11C606ED1F4064BA2FEBA6539D4BD5 5175485273F15BE6B3DE4F5D24B18893 Pseudosymplanella Che, Zhang & Webb, 2009 Figs 1-4 , 5-15 , 16-21 Pseudosymplanella Che, Zhang & Webb, 2009: 49. Type species. Pseudosymplanella nigrifasciata Che, Zhang & Webb, 2009, by original designation. Figures 1-4. Pseudosymplanella maxima Gong, Yang & Chen, sp. nov. 1 male habitus, dorsal view 2 male habitus, lateral view 3 female habitus, dorsal view 4 female habitus, lateral view. Scale bars: 0.5 mm ( 1-4 ). Diagnosis. Head with eyes as wide as or slightly narrower than pronotum; vertex with anterior margin a little convex or straight; second segment of antenna with a black transverse spot near apex. Mesonotum sometimes with pit along lateral margin, maximum width wider than medial length. Male with pygofer in lateral view, dorsal margin shorter than ventral margin, posterior margin with a rather slender and long process; genital style in lateral view elongate or rather broad; aedeagus simple, tubular, slightly ventrally curved. Female genitalia with gonoplacs rounded or triangular in lateral view. Figures 5-15. Pseudosymplanella maxima Gong, Yang & Chen, sp. nov., male 5 head and thorax, dorsal view 6 face 7 head and thorax, lateral view 8 forewing 9 hindwing 10 anal segment, dorsal view 11 male genitalia, lateral view 12 pygofer, posterior view 13 genital styles, lateral view 14 pygofer and genital styles, ventral view 15 aedeagus, lateral view. Scale bars: 1 mm ( 8, 9 ); 0.5 mm ( 5-7 ); 0.3 mm ( 11 ); 0.2 mm ( 10, 12-15 ). Figures 16-21. Pseudosymplanella maxima Gong, Yang & Chen, sp. nov., female 16 genitalia, lateral view 17 genitalia, ventral view 18 anal segment, dorsal view 19 abdominal sternite VII, ventral view 20 gonapophysis VIII, lateral view 21 gonapophysis IX, lateral view. Scale bars: 0.5 mm ( 16, 17 ); 0.3 mm ( 19 ); 0.2 mm ( 18, 20, 21 ). Host plant. Bamboo. Distribution. Southern China (Yunnan Province) and Thailand (Fig. 22 ). Figure 22. Geographic distributions of species of Pseudosymplanella Che, Zhang & Webb, 2009.