Corresponding author: Chen Lin (
Academic editor: M. Ivković
At present, there are 31 species of
Qilemoge, Lin C, Qi P, Li D, Yang D (2020) Two new species of
The genus
The specimens upon which this study is based were collected in the Qinghai Province of China. The Qinghai Province is located in the northeastern part of the Tibetan Plateau in China, and has a continental climate. In this paper, we describe two new species of
The specimens in this study were collected in the forest by sweep nets and subsequently stored into 95% ethanol, and finally stored in the freezer (-20 °C). All specimens are deposited in the
Body size small to large (1.5–5.7 mm); vertex flat; ocellar bristle nearly as long as vertical bristle; face narrower than frons; male clypeus not clearly separate from face; antenna black, first flagellomere mostly prolonged (2–10 times longer than wide), arista apical; propleuron with dense pale white hairs, without distinct bristle; vein M not bifurcated, R4+5 parallel or slightly convergent with M apically,
1 | First flagellomere at least 4.0 times longer than wide |
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– | First flagellomere at most 2.5 times longer than wide |
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2 | Four |
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– | Five to six |
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3 | First flagellomere less than 5.0 times longer than wide; |
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– | First flagellomere more than 7.5 times longer than wide; |
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4 | All coxae black; femora mostly black |
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– | At least fore coxa yellow, femora mostly yellow |
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5 | All coxae yellow |
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– | Only fore coxa yellow |
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6 | Arista apically inflated ( |
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– | Arista simple, not inflated at apex |
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7 | Cercus bifurcate |
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– | Cercus not bifurcate |
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8 | First flagellomere at most 7.0 times longer than wide |
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– | First flagellomere at least 9.0 times longer than wide |
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9 | All coxae black |
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– | All coxae yellow |
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10 | First flagellomere at least 8.0 times longer than wide |
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– | First flagellomere at most 6.0 times longer than wide |
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11 | Eight uniseriate |
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– | Five to eight irregularly paired |
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12 | Surstylus bifurcate apically |
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– | Surstylus simple |
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13 | Acr absent; all coxae yellow |
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– | Acr present; fore coxa brown at base, mid and hind coxae brown with yellow apex |
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14 | Five |
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– | Six |
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15 | Hind coxa yellow; surstylus thick, apically straight |
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– | Hind coxa brown with yellow apex; surstylus thin, apically rounded |
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16 | All coxae yellow; hind tibia yellow; surstylus with long thick hairs apically; cercus long ribbon-like ( |
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– | Only fore coxa yellow, mid and hind coxae black; hind tibia black; surstylus only with sparse short hairs; cercus elongate triangular ( |
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17 | Fore tarsus modified (inflated, depressed or with Y-shaped bristle) |
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– | Fore tarsus simple |
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18 | Fore tarsomere 1 simple, fore tarsomere 5 with 2 Y-shaped apical bristles and 2 long strong bristles |
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– | Fore tarsomere 1 modified |
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19 | Fore tarsomere 1 depressed dorsally but strongly raised ventrally |
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– | Fore tarsomere 1 inflated apically |
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20 | Arista distinctly (1.4×) longer than first flagellomere |
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– | Arista nearly as long (0.8×) as first flagellomere ( |
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21 | Fore tarsomere 2, and mid tarsomeres 4 and 5 inflated ( |
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– | Fore and mid tarsi simple, not inflated |
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22 | Middle and lower postocular bristles yellow; 8 |
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– | All postocular bristles black; 5 |
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23 | Fore femur with row of strong ventral bristles or long ventral hairs |
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– | Fore femur without row of distinct ventral bristles or hairs |
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24 | First flagellomere about 2.0 times as long as wide; arista about 2.0 times longer than first flagellomere; fore femur with row of long pale yellow ventral bristles as long as width of fore femur; cercus narrowed at base and widened towards apex, with distinct marginal denticles ( |
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– | First flagellomere about 1.5 times as long as wide; arista nearly 3.0 times longer than first flagellomere; fore femur with 2 rows of long pale yellow bristles longer than width of fore femur; cercus very long, wide in basal half |
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25 | Fore tarsus modified, tarsomere 1 with row of strong ventral bristles on basal half, tarsomere 2 inflated apically ( |
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– | Fore tarsus simple, tarsomere 1 without distinct ventral bristles, tarsomere 2 simple |
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26 | Fore and mid femora yellow apically, fore and mid tibia yellow; fore coxa with black bristles and hairs |
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– | Fore femur, mid and hind tarsi dark; fore coxa with light yellow bristles and hairs |
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27 | All coxae dark, fore and mid femora yellow apically |
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– | Basal half of fore coxa and apical 1/3 of hind femur dark |
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28 | Hind tibia with 3 ventral bristles; mid tarsomere 1 about 1.1 times as long as hind tarsomere 1 |
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– | Hind tibia without distinct ventral bristles; mid tarsomere 1 about 1.5 times as long as hind tarsomere 1 |
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29 | Mid coxa with 1 strong outer bristle, and bunch of ventral bristles; mid tibia with 1 |
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– | Mid coxa only with only 1 strong outer bristle at middle, without bunch of ventral bristles; mid tibia without ventral bristles |
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30 | Calypteral fringe with yellow hairs; cercus not bifurcate; surstylus short and thick |
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– | Calypteral fringe with black hairs; cercus bifurcate; surstylus basally thick, apically sharp, with one protuberance |
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31 | First flagellomere less than 2.0 times as long as wide; fore femur entirely yellow |
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– | First flagellomere 2.0 times as long as wide; fore femur brownish except yellow at apex |
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32 | Arista only slightly longer (1.2×) than first flagellomere |
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– | Arista 3.0 times as long as first flagellomere |
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First flagellomere 7.5 times longer than wide. Fore coxa yellow, mid and hind coxae black except for yellow tip; hind femur black dorsally near apex; all tibiae yellow.
Habitus, lateral view
Habitat
Palaearctic: China (Qinghai).
The new species is similar to
The specific name refers to the type locality, Huzhu.
First flagellomere 6.5 times longer than wide. Legs mostly black except fore and mid femora ventrally yellow at tip and hind femur ventrally yellow on basal 3/4.
Palaearctic: China (Qinghai).
The new species is similar to
The specific name refers to the type locality, Minhe.
Previously, there were 31 species recorded from China. Here we report two new species of
We are very grateful to Dr. Xin Li (Beijing) for collecting the specimens and Dr Scott B. Williams (West Lafayette, IN, USA) for improving the language of this manuscript. This project was supported by National Natural Science Foundation of China (31772497).