Stenus brevidens, Puthz, 2019
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publication ID |
https://doi.org/ 10.5281/zenodo.3762487 |
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DOI |
https://doi.org/10.5281/zenodo.3804390 |
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persistent identifier |
https://treatment.plazi.org/id/0E1787E3-FF8F-F20C-93CC-51F92C45FE06 |
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treatment provided by |
Valdenar |
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scientific name |
Stenus brevidens |
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Key to the brevidens View in CoL -group
(E = aedeagus, FB = forebody, S = spermatheca, T = tergite)
1 Larger, FB Ẑ2.0mm, paratergites bent down to ventral side. ♂: E (fig. 134). ♀: S (fig. 147). 3.4-4.5mm (FB 2.0-2.1mm). Sichuan ........................................... scabrivestis nov.sp.
- Smaller, FB Ś1.9mm, paratergites in horizontal position ....................................................2
2 Metasternum with a median carina. Punctation of T7 denser, interstices distinctly less broad than diameter of punctures. ♂: E (fig. 126). ♀: S (fig. 143). 2.7-3.2mm (FB 1.4- 1.6mm). Gansu ...................................................................................... carinipectus nov.sp.
- Metasternum simple. Punctation of T7 less dense, interstices as broad as or broader than diameter of punctures ..................................................................................................3
3 S9 apicolaterally ± acute (fig. 114). ♂: E (fig. 133). ♀: Unknown. 3.3-3.9mm (FB 1.9mm). Sichuan .................................................................................. minmontium nov.sp.
- S9 apicolaterally slightly serrate and with a short prominent tooth (e. g. 103, 104, 112)............4
4 FB with reticulation.............................................................................................................5
- FB without reticulation........................................................................................................6
5 Larger, FB 1.6-1.8mm, head less broad (HW: EW Ĕ0.9). ♂: E (fig. 125). ♀: S (fig. 142). 3.2-4.0mm (FB 2.0-2.1mm). Sichuan .............................................. brevidens nov.sp.
- Smaller, FB 1.5-1.6mm, head broader (HW: EW Ĕ0.96), 2.8-3.1mm. ♂: E (fig. 138). ♀: Unknown. 3.4-4.5mm (FB 2.0-2.1mm). Sichuan ............................ wahuishanus nov.sp.
6 Punctation of T7 sparser, interstices broader than diameter of punctures............................7
- Punctation of T7 less sparse, interstices about as broad as diameter of punctures ............14
7 Anterior tergites with reticulation. ♂: E (fig. 131). ♀: Unknown. 3.1-3.6mm (FB 1.7mm). Sichuan ............................................................................. lianhuanshanus nov.sp.
- Anterior tergites without reticulation ..................................................................................8
8 Smaller, FB 1.5-1.7mm .......................................................................................................9
- Larger, FB Ẑ1.7mm ...........................................................................................................11
9 ♂: E (fig. 146). ♀: Unknown. 2.9-3.2mm (FB 1.6mm). Sichuan .......................................... ................................................................................................. houanglonggouensis nov.sp.
- ♂ and ♀ otherwise ............................................................................................................10
10- ♂:E (fig. 132). ♀: Unknown. 3.0-3.5mm (FB 1.6-1.7mm). Gansu. ...................................... ........................................................................................................ maojiagouensis nov.sp.
- ♂: E (fig. 137). ♀: S (fig. 150). 2.7-3.1mm (FB 1.5-1.6mm). Sichuan ................................. ........................................................................................................... zheduoshanus nov.sp.
11 ♂: E (fig. 127). ♀: S (fig. 145). 3.1-3.8mm (FB 1.7- 1-8mm). Sichuan ................................. ........................................................................................................ gaoershishanus nov.sp.
- ♂ and ♀ otherwise .............................................................................................................12
12 ♂: E (fig. 129). ♀: S (fig. 148). 3.0-3.8mm (FB 1.7-1.8mm). Sichuan ................................. ....................................................................................................... gonggalingensis nov.sp.
- ♂ and ♀ otherwise ............................................................................................................13
13 ♂: E (fig. 131). ♀: Unknown. 3.1-3.6mm (FB 1.7mm). Sichuan. ......................................... ........................................................................................................ lianhuanshanus nov.sp. - ♂ and ♀ otherwise ............................................................................................................14
14 Interstices on T7 with very faint reticulation, strongly shiny. ♂: E (fig. 124). ♀: S (fig 140). 3.0-3.5mm (FB 1.6-1.8mm). Yunnan ......................................... aeneotogatus nov.sp.
- Interstices on T7 with distinct reticulation, less shiny.......................................................15
15 ♂: E (fig. 123). ♀: S (fig. 144). 3.0-3.5mm (FB 1.7-1.8mm). Sichuan ................................. ............................................................................................................. daxueshanus nov.sp.
- ♂: E (fig. 135, 136). ♀: S (fig. 149). 3.0-3.5mm (FB 1.6-1.8mm). Sichuan .......................... ........................................................................................................... shaluishanus nov.sp.
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