Corresponding author: Xiang-Sheng Chen (chenxs3218@163.com)
Academic editor: Pavel Stoev
Four new species of the genus
Wang X-Y, Zhi Y, Yang L, Chen X-S (2023) Four new species of the genus
The planthopper tribe
Recent study of some Chinese specimens has found four new species,
The morphological terminology follows
The type specimens are deposited in the Institute of Entomology, Guizhou University, Guiyang, Guizhou Province, China (
The distinctive characters proposed by
China (Guangdong, Guangxi, Taiwan, Xizang, Yunnan), Japan (Ryukyu Islands).
1 | Anal segment symmetrical dorsally |
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– | Anal segment asymmetrical dorsally |
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2 | Apical right side of periandrium with a large linguiform laminal process ( |
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– | Apical right side of periandrium without linguiform laminal process |
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3 | Ventral margin of periandrium with a projection, of which basal 1/3 longitudinally and 2/3 horizontally extended, endosoma with two simple processes, not bifurcate ( |
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– | Periandrium without above spinose process |
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4 | Periandrium with an expanded semi-enclosed structure around the left side and ventral margin of periandrium ( |
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– | Periandrium without expanded semi-enclosed structure |
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5 | Left side of periandrium with a bifurcate process ( |
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– | Left side of periandrium without process or process on left side of periandrium not bifurcated |
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6 | Dorsal margin of endosoma with a large spinose process ( |
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– | Right side of endosoma with a bifurcated production ( |
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7 | Endosoma of aedeagus with a hooked spinose process apically (Fig. |
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– | Endosoma of aedeagus without above spinose process |
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8 | Middle dorsal margin of periandrium with a slightly stout and long spinose process (Fig. |
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– | Middle dorsal margin of periandrium without spinose process |
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9 | Left apical side of ventral margin of periandrium with a triangular laminal process, of which middle right side concaved heavily, forming two large processes (Fig. |
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– | Ventral margin of periandrium with a broad laminal process, apex slightly truncate (Fig. |
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Body length: male 6.65–7.00 mm (
New species of
China (Xizang) (Fig.
The specific name is derived from the Latin adjective
This species can be distinguished from the other species of the genus by the following characters: basal right side of periandrium with a U-shaped spinose process; basal ventral margin of periandrium with a long spinose process, apex curved upwards, forming a hooked process; apex of endosoma with a hooked spinose process.
Body length: male 5.63–5.82 mm (
China (Xizang) (Fig.
The specific name is derived from the Latin adjective
Male genitalia of
Body length: male 5.71–6.90 mm (
China (Xizang) (Fig.
The specific name is derived from the Latin adjective
Male genitalia of
Body length: male 6.56–7.20 mm (
China (Guangxi) (Fig.
Geographic distribution of
The specific name is derived from the Latin adjective
This species can be distinguished from the other
The present discovery of four new species in the genus
Nine
Currently the tribe
We are grateful to the collectors of the specimens, especially Yongjin Sui, for their hard work in the field and to an associate researcher Dawa at the Institute of Plateau Biology in Xizang Province, China for his help with the specimen collection. This work was supported by the National Natural Science Foundation of China (grant no. 32060343 and 31472033); the Science and Technology Support Program of Guizhou Province (grant no. 20201Y129); the Program of Excellent Innovation Talents, Guizhou Province (grant no. 20154021).