Caliscelini, Amyot & Audinet-Serville, 1843

Chen, Xiang-Sheng & Gong, Nian, 2025, Taxonomic study of the Caliscelidae (Hemiptera: Fulgoromorpha: Fulgoroidea) from China, Zootaxa 5670 (1), pp. 1-129 : 8-9

Key to genera of Caliscelini known from China

1. Pronotum and mesonotum lateral areas with small tubercules ( Fig. 6A, B )........................................ 2

–. Pronotum and mesonotum lateral areas without any small tubercules ( Fig. 29A ).................................... 3

2. Vertex with anterior margin strongly protruding beyond the eyes ( Fig. 2A ); aedeagus hollow tube ( Fig. 2J, K ).... Cylindratus

–. Vertex with anterior margin slightly protruding beyond the eyes ( Fig. 6A ); aedeagus paired, tubular ( Fig. 6J, F )................................................................................................ Bambusicaliscelis

3. Fore femora and tibia foliately dilated ( Fig. 28B, C ).......................................................... 4

–. Fore femora and tibia cylindrical ( Fig. 26A, B ).............................................................. 6

4. Fore femora and tibia slightly dilated ( Fig. 27B ); frons with two rows of weakly visible tubercules on each side along its lateral margins and sublateral carinae................................................................. Annamatissus

–. Fore femora and tibia distinctly foliately dilated ( Fig. 28B, C ); frons without any tubercules ( Fig. 29B )................. 5

5. Spinal formula of hind leg: 5-2-2; frons 3-carinate distinctly........................................... Chirodisca

–. Spinal formula of hind leg: 6(7)-2-2; frons without carinae............................................. Caliscelis

6. Vertex pentagonal ( Zhang et al., 2020, fig. 24a); the apex of the second segment of the antennae protrudes ( Zhang et al., 2020, fig. 24d).................................................................................... Gelastissus

–. Vertex hexagonal ( Zhang et al., 2020, fig. 25a); the apex of the second segment of the antennae flat ( Zhang et al., 2020, fig. 25b, c)......................................................................................... Nenasa

Figures

FIGURE 2. Cylindratus longicephalus Meng, Qin & Wang, 2020 Male. A. Head and thorax, dorsal view; B. Face; C. Head and thorax, lateral view; D. Forewing; E. Anal segment, dorsal view; F. Male genitalia, lateral view; G. Pygofer, posterior view; H. Genital styles, lateral view; I. Pygofer and genital styles, ventral view; J. Aedeagus, lateral view; K. Aedeagus, dorsal view. Scale bars: 0.5 mm (A–K).

FIGURE 6. Bambusicaliscelis flavus Gong, Yang & Chen, 2018 Male: A. Head and thorax, dorsal view; B. Face; C. Head and thorax, lateral view; D. Forewing; E. Anal segment, dorsal view; F. Male genitalia, lateral view; G. Pygofer, posterior view; H. Genital styles, lateral view; I. Pygofer and genital styles, ventral view; J. Aedeagus, lateral view. Scale bars:0.5 mm (A–D, F, G, I); 0.3 mm (E, H, J).

FIGURE 26. Habitat of Bambusicaliscelis nigritus sp. nov. A, B. Living male adult; C, D. Living female adult; E, F. Living nymph; G. General environment and host plant. 22 Oct. 2022, Dongfeng Lake Wetland Park, Xishui County, Guizhou Province, photograph by Xiang-Sheng Chen.

FIGURE 27. Annamatissus tami Gnezdilov & Soulier-Perkins, 2014 A. Female habitus, dorsal view; B. Female habitus, lateral view; C. Genitalia, lateral view; D. Genitalia, ventral view; E. Anal segment, dorsal view; F.Abdominal sternite VII, ventral view; G. Gonapophysis VIII, lateral view; H. Gonapophysis IX, lateral view. Scale bars: 0.5 mm (A–D, F); 0.3 mm (E, G, H).

FIGURE 28. Chirodisca eximia (Stål, 1859) Male. A. Head and thorax, dorsal view; B. Face; C. Head and thorax, lateral view; D. Forewing; E. Anal segment, dorsal view; F. Male genitalia, lateral view; G. Pygofer, posterior view; H. Genital styles, lateral view; I. Pygofer and genital styles, ventral view; J. Aedeagus, lateral view; K. Aedeagus, dorsal view. Scale bars: 0.5 mm (A–D, F, G, I); 0.3 mm (E, H, J, K)

FIGURE 29. Chirodisca eximia (Stål, 1859) A. Male habitus, dorsal view; B. Male habitus, lateral view; C. Female habitus, dorsal view; D. Female habitus, lateral view. Scale bars: 0.5 mm (A–D).