Corresponding author: Ting-Jing Li (
Academic editor: Michael Ohl
In this paper, a total of five species of the genus
Bai Y, Carpenter JM, Chen B, Li T-J (2022) A review of the genus
The genus
The specimens examined in our study are deposited in the
Posterior area of hind ocelli depressed inward flatly, forming an acute angle with frons; anterior face of pronotum with one or two foveae in the middle or not obvious, laterally with dense punctures (Figs
Oriental Region.
China (Yunnan).
This species resembles
The specific name
China (Yunnan).
This species is easily distinguished from all other species of
The specific name
1♀, China, Guangxi Province, Chongzuo City, Fusui County, Changping Township,
Female (Fig.
China (new record: Guangxi, Yunnan); India.
1♀, China, Yunnan Province, Xishuangbanna Dai Autonomous Prefecture, Jinghong City, Lancang River,
China (new record: Yunnan); India.
The female specimen deposited in
Female (Fig.
China (Taiwan, Hong Kong).
1 | Scutellum flat or nearly flat in lateral view; metanotum almost horizontal (Figs |
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– | Scutellum convex in lateral view; metanotum very oblique (Figs |
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2 | Female frons with sparse punctures (Fig. |
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– | Female frons with dense punctures (Fig. |
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3 | Fundamental color of T1 red |
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– | Fundamental color of T1 black (Fig. |
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4 | Maximum width of T1 about equal to its median length (0.90–1.10 times) |
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– | Maximum width of T1 distinctly greater than its median length (1.25–1.90 times) |
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5 | Fundamental color of T1 ferruginous |
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– | Fundamental color of T1 black |
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6 | Pronotum, scutellum, metanotum and mesepisternum with yellow spots; female clypeus partly yellow |
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– | Thorax black except two small yellow spots on metanotum; female clypeus entirely black |
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7 | Mesopleuron dorsally with punctures, and ventrally smooth and shiny |
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– | Mesopleuron wholly with punctures |
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8 | Punctation of T1–T2 obviously coarse |
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– | Punctation of T1–T2 not coarse as above (Figs |
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9 | Punctation of T2 much larger than those of pronotum or mesoscutum; T2 with three broad humps, one in the middle and two lateral pre-apically (Fig. |
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– | Punctation of T2 smaller than those of pronotum or mesoscutum; T2 without humps (Fig. |
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10 | Transverse furrow on T1 pre-apically very broad and deep (Fig. |
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– | Transverse furrow on T1 pre-apically not very broad and deep as above; female clypeus without large punctures |
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11 | Female clypeal punctation coarser, interspaces between punctures basally with fine punctures (Figs |
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– | Female clypeal punctation not coarse as above, interspaces between punctures basally smooth and impunctate; male A13 short, obviously less than 2 times as long as basal width, and almost straight (Fig. |
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12 | Male A13 widened at apex (Fig. |
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– | Male A13 narrowed at apex (Fig. |
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13 | Female clypeus with lateral longitudinal raised carina; male clypeus about as long as wide; S7 basally without a row of thick brown setae |
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– | Female clypeus with indistinct lateral longitudinal raised carina (Fig. |
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We are very grateful to Prof. Qiang Li and Prof. Li Ma (Yunnan Agricultural University, Kunming, China) for providing us with the specimens deposited in their insect collections under their care. This study was funded by the National Natural Science Foundation of China (Nos: 31772490, 31372247, 31000976).