Idioscopus
Creators: name: Guo, Meishu
name: Dai, Renhuai
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy

description: Checklist of Idioscopus species from China
Idioscopus bibamulus Wang, Wang, Dai & Webb, 2022: 100, fig. 1.
Distribution: China (Yunnan).
Idioscopus bimaculatus (Pruthi, 1936): 102.
Idiocerus bimaculatus Pruthi, 1936: 102, figs. 2, 2a.
Idioscopus bimaculatus (Pruthi): Maldonado-Capriles, 1965: 244; Viraktamath, 1980: 227, figs. 1–6; Zhang & Li, 2012: 207, fig. 7.
Idioscopus myrica Wang & Dai, 2018: 12–13, figs. 1–10, syn. nov.
Distribution: China (Guizhou).
Idioscopus clypealis (Lethierry, 1889): 252.
Idiocerus clypealis Lethierry, 1889: 252.
Idioscopus clypealis (Lethierry): Maldonado-Capriles, 1964: 92–93, figs. 6–9; Fletchwe & Dangerfield, 2002: 35, figs. 1–3, 7–10; Khatri & Webb, 2014: 282–284, fig. 5.
Idioscopus taiwanus Huang & Maldonado-Cpariles, 1992: 5, figs. 3A–H.
Synonymised by Wang, Wang, Dai & Webb, 2022: 105, fig. 4.
Distribution: China (Yunnan, Fujian, Hainan, Taiwan).
Idioscopus furcaprocessus Wang, Wang, Zhou & Dai, 2021: 376, figs. 1, 3A–E.
Distribution: China (Yunnan).
Idioscopus longiprocessus Wang, Wang, Zhou & Dai, 2021: 378, fig. 2.
Distribution: China (Yunnan).
Idioscopus nitellicus Kuoh & Fang, 1985: 190, figs. 8–16.
Distribution: China (Yunnan).
Idioscopus nitidulus (Walker, 1870): 322.
Iassus nitidulus Walker, 1870: 322.
Idioscopus nitidulus (Walker): Maldonado-Capriles, 1973: 181; Fletchwe & Dangerfield, 2002: 36, figs. 4–6, 11– 14; Khatri & Webb, 2014: 282, fig. 4.
Distribution: China (Yunnan, Fujian, Guangxi, Taiwan, Hainan).
Idioscopus recurvatus Kuoh & Fang, 1985: 189, figs. 1–7.
Distribution: China (Yunnan).
Idioscopus serratastylus Wang, Wang, Zhou & Dai, 2021: 378, fig. 3.
Distribution: China (Yunnan).
Idioscopus triprocessus sp. nov.
Distribution: China (Shanxi, Guizhou).
Idioscopus ventrispinus Wang, Wang, Dai & Webb, 2022: 102, figs. 2, 3F–J.
Distribution: China (Yunnan).
Idioscopus xanthomacula sp. nov.
Distribution: China (Yunnan).
Key to the species of Idioscopus from China
1 Aedeagus shaft with one pair of subapical processes.......................................................... 2
- Aedeagus shaft with two or three pairs of processes.......................................................... 6
2 Aedeagus shaft with processes strongly curved and directed terminally........................................... 3
- Aedeagus shaft with processes weakly curved and directed basally or laterally..................................... 4
3 Aedeagal shaft with a thick and long furcella on the subapical ventral margin (Figure 1C–D)............... I. bimaculatus
- Aedeagal shaft without a furcella on the subapical ventral margin (Figure 1A–B)......................... .. I. bibamulus
4 Aedeagus processes with a pair of tooth-like projections on the side near the aedeagal shaft (Figure 1G–H). I. furcaprocessus
- Aedeagus processes smooth, without tooth-like projections.................................................... 5
5 Aedeagal shaft sharp at the tip, with a short curved ventral process at base (Figure 1–J).................. I. longiprocessus
- Aedeagal shaft flat and broadened at the tip, without ventral process at base (Figure 1Q–R)............... I. serratastylus
6 Aedeagus shaft with one pair of apical processes and two pairs of subapical processes (Figure 2G–H). I. triprocessus sp. nov.
- Aedeagus shaft with two pairs of processes................................................................. 7
7 Aedeagus shaft with an unpaired long ventral process posteriorly near midlength (Figure 1S–T)............. I. ventrispinus
- Aedeagus shaft without unpaired ventral process near midlength............................................... 8
8 Aedeagus shaft divaricate near the tip (Figure 3G–H)...................................... I. xanthomacula sp. nov.
- Aedeagus shaft not divaricate near the tip.................................................................. 9
9 Aedeagus shaft with one pair of long and arcuately curved subapical processes and one pair of short processes above them (Figure 1O–P).............................................................................. I. recurvatus
- Aedeagus shaft with two pairs of processes arising from same position.......................................... 10
10 Aedeagus processes located at the tip of aedeagus shaft (Figure 1M–N).................................. I. nitidulus
- Aedeagus processes located subapically on aedeagus shaft................................................... ..11
11 Aedeagus processes slender and long, one pair extended ventrad of shaft base (Figure 1E–F).................. I. clypealis
- Aedeagus processes short, not extended ventrad of shaft base (Figure 1K–L)............................. .. I. nitellicus
description: Published as part of Guo, Meishu & Dai, Renhuai, 2025, Descriptions of two new species of the leafhopper genus Idioscopus Baker (Hemiptera: Cicadellidae: Eurymelinae: Idiocerini) from China, pp. 578-586 in Zootaxa 5566 (3) on pages 579-580, DOI: 10.11646/zootaxa.5566.3.7, http://zenodo.org/record/14703439