Corresponding author: Hongbin Liang (
Academic editor: T. Assmann
The genus
Zhu P, Kavanaugh DH, Liang H (2021) Notes on the genus
Before the present study, only one species,
In this article, we (1) describe the new species, (2) provide additional morphological data for
Specimens examined during our study are deposited in the following collections:
Abbreviations for measurements used in the paper are as follows: body length (
Among the seven genera of
This genus is most similar to the genus
This genus includes eight species distributed along the Himalayas (two in Nepal, three in Bhutan, two in China, and one in Myanmar).
The type species of this genus,
China, Xizang: Mêdog (
Dorsum black, elytra with more or less bluish metallic luster. Anterior supraorbital setae present. Pronotum with lateral margins faintly sinuate before posterior angles. Apices of elytra rounded (Fig.
This new species is most similar to
Holotypes of
Morphological features of
(Fig.
The new species is named for Gutang Township, where the type locality, Mêdog, is located.
Among all
Total 196 specimens.
Dorsum (Fig.
(Fig.
Distribution map for
The number of pairs of supraorbital setae is a very important character within
In our examination of 260 specimens of
1 | Elytra with more or less bluish metallic luster; metepisternum long and narrow; hind wings full-sized |
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– | Elytra black or brown, without metallic luster; metepisternum short and wide; hind wings atrophied |
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2 | Anterior pair of supraorbital setae present; apices of elytra rounded |
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– | Anterior pair of supraorbital setae absent; apices of elytra acute |
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3 | Pronotum with lateral margins slightly rounded at middle; eyes small; 18 mm |
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– | Pronotum with lateral margins distinctly rounded at middle; eyes large |
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4 | Apical lamella of median lobe rounded at tip; 15–18 mm |
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– | Apical lamella of median lobe truncated at tip; 18–23 mm |
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5 | Pronotum with lateral margins markedly sinuate before posterior angles; 20 mm |
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– | Pronotum with lateral margins faintly sinuated before posterior angles |
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6 | Apices of elytra rounded or slightly oblique; 18–20 mm |
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– | Apices of elytra truncate; 19–23 mm |
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7 | Apices of elytra markedly truncate; pronotum longer, anterior angles more extended anteriorly, posterior angles more rounded; apical hook of right paramere more developed; apical lamella of median lobe narrower; 20–23 mm |
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– | Apices of elytra moderately truncate; pronotum wider, anterior angles less extended anteriorly, posterior angles more acute; apical hook of right paramere less developed; apical lamella of median lobe wider; 19–20 mm |
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We thank Mr Changchin Chen (