Review Article |
Corresponding author: Michael D. Webb ( m.webb@nhm.ac.uk ) Corresponding author: Ye Xu ( yexu@jxau.edu.cn ) Academic editor: Ilia Gjonov
© 2024 Michael D. Webb, Ye Xu.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Webb MD, Xu Y (2024) Revision of the leafhopper genus Smyga (Hemiptera, Cicadellidae, Typhlocybinae). ZooKeys 1198: 135-141. https://doi.org/10.3897/zookeys.1198.119765
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The leafhopper genus Smyga Dworakowska (Typhlocybinae, Empoascini) is reviewed and a new species, S. brevipenis Webb & Xu, sp. nov. from Brunei and Malaysia, is described based on specimens previously identified as “aberrant specimens” of Smyga distincta Dworakowska. Images of the types of S. brevipenis and S. distincta are given for the first time. A checklist and key to known species of Smyga are also provided.
Auchenorrhyncha, distribution, Homoptera, morphology, taxonomy
The typhlocybine leafhopper genus, Smyga Dworakowska, 1995, was described for five species from Brunei and Malaysia (Sarawak and Sabah) (
Morphological terminology used in this work follows
Smyga Dworakowska, 1995: 151.
Smyga distincta Dworakowska, 1995 by original designation.
Body relatively robust. Pale yellow; head with a brown patch anteriorly (Figs
Head including eyes broader than pronotum in dorsal view, crown short and broad, round anteriorly, length along midline shorter than one-half width between eyes; coronal suture well developed, extended onto face, and terminating at level of antennal bases (Fig.
Male basal abdominal sternal apodemes (2S apodemes) well developed (Fig.
Smyga superficially resembles Dapitana Mahmood, 1967 in the features of the head and wings (coronal suture extended onto face and terminating at level of antennal bases (Fig.
Smyga includes five previously known species, all from Borneo, described by
As most Smyga species are from similar localities in Borneo (see Checklist) and as males are needed for identification, the female paratypes of two species (S. distincta and S. zonata) must be regarded as of uncertain identity (see also comments under S. distincta and S. zonata). It is also of some interest that, compared to males, the number of known females is very low.
Oriental Region (Brunei, Malaysia).
S. brevipenis Webb & Xu, sp. nov. (Brunei, Ulu Temburong; Sarawak, Gunong Mulu National Park)
S. distincta Dworakowska, 1995: 153–155, figs 168–177 (Brunei, Ulu Temburong)
S. exhibita Dworakowska, 1995: 155, figs 198–205 (Brunei, Ulu Temburong)
S. niema Dworakowska, 1995: 155–156, figs 206–212 (Sabah)
S. ziewa Dworakowska, 1995: 155, figs 188–192 (Brunei, Bukit Sulang)
S. zonata Dworakowska, 1995: 155, figs 193–197 (Sarawak, Gunung Mulu National Park)
1 | Aedeagus with basal apodeme (dorsal apodeme) very long (Fig. |
S. brevipenis |
– | Aedeagus with basal apodeme very short (Fig. |
2 |
2 | Aedeagus without processes (Figs |
S. distincta |
– | Aedeagus with processes | 3 |
3 | Aedeagus with processes near base of shaft | 4 |
– | Aedeagus with processes at apex of shaft | 5 |
4 | Aedeagus with processes near base of shaft long | S. zonata |
– | Aedeagus with processes near base of shaft short | S. ziewa |
5 | Aedeagus with short apical processes | S. exhibita |
– | Aedeagus with long apical processes | S. niema |
Smyga distincta Dworakowska, 1995: 153, figs 178–182, in part.
Holotype. ♂, Brunei, Ulu Temburong; 300 m elev.; Feb–Mar. 1982; M.C. Day leg.; B.M. 1983-75 (
Paratypes. Brunei, 8 ♂♂, same data as holotype; 10 ♂♂, same data as holotype except Ulu Temburong ridge; (
Body length: 3.5–4.4 mm.
Color as in generic description (Fig.
Male 2S apodemes not extending to end of segment V (Fig.
The name is derived from the Latin words brevis (short) and penis, which refers to the very short aedeagal shaft.
Brunei, Malaysia.
Specimens of S. brevipenis were considered aberrant specimens of S. distincta by
Smyga distincta Dworakowska, 1995: 153–155, figs 168–177.
The type series was originally stated as holotype male from Brunei, Ulu Temburong and one paratype male and two females from three different localities in Sarawak, Gunung Mulu National Park; however, the paratype male is in fact female. The identity of these three females must remain uncertain until females in the genus can be identified, particularly as other species are sympatric with S. distincta (see Checklist).
Smyga species 1–8 S. brevipenis 1 head and thorax, dorsal view (holotype) 2 face (holotype) 3–8 male genitalia after
Aberrant specimens regarded as possibly this species in its original description are described above as a new species. Therefore, this species is known with certainty only from a single male, the holotype (
Smyga zonata Dworakowska, 1995: 155, figs 193–197.
The type series was originally stated to include a holotype male from Sarawak, Gunung Mulu National Park and one male and two female paratypes from Brunei, Ulu Temburong. The identity of these two females must remain uncertain until females in the genus can be identified, particularly as other species are sympatric with S. zonata (see Checklist). Therefore, this species is known with certainty only from two male specimens (
For their helpful comments we give our sincere thanks to Dr I. Dworakowska and Dr D. Dmitriev.
The authors have declared that no competing interests exist.
No ethical statement was reported.
This work was supported by the National Natural Science Foundation of China (32160121).
Writing - original draft: MW. Writing - review and editing: YX.
Michael D. Webb https://orcid.org/0000-0002-1312-6142
All of the data that support the findings of this study are available in the main text.