Stenus bilunatoides, Puthz, 2011
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publication ID |
https://doi.org/ 10.5281/zenodo.5324778 |
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DOI |
https://doi.org/10.5281/zenodo.5343683 |
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persistent identifier |
https://treatment.plazi.org/id/EB098780-5A18-3821-9292-969DFF61C26F |
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treatment provided by |
Carolina |
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scientific name |
Stenus bilunatoides |
| status |
sp. nov. |
Stenus bilunatoides View in CoL nov.sp. ( Figs 7 View Figs 1-10 , 42 View Figs 26-45 , 92, 104 View Figs 89-107 )
T y p e m a t e r i a l: Holotype and 3 - paratypes: TAIWAN: Hualien Hsien: Taroko National Park, Nanhushi Hut , 2220 m, 8.V.1990, leg. A. SMETANA (T 48) . Paratypes: Hualien Hsien: 1: Taroko National Park, Duodyatunshan , 2600 m, 7.V.1990 (T 45) ; 1: ibidem 2650 m, 8.V.1990 (T 46); 1: ibidem 2650 m, 8.-13.V.1990 (T 57); 1: Taroko Nat. Park , Ridge SE Nanhushi Hut, 2700 m, 11.V.1990 (T 52) ; 1, 1: Nanhushi Hut 2220 m, 12.V.1990 (T 55); Nantou Hsien: 1: Houhuanshan, 3175 m, 15.V.1990 (T 59) ; 2: Houhuanshan, Kunyang, 3050 m, 4.V.1991 (T 63); 1, 1: ibidem (T 64); 2: ibidem, 13.V.1995 (T 170); Taichung Hsien: 1, 1: Hsuehshan Chi-Ka, 2463 m, 6.V.1991 (T 67) ; 1: Hsuehshan, nr. Hsuehshan Tun-Feng, 3170 m, 7.V.1991 (T 68); 1: ibidem, 11.V.1991 (T 76); 1, 1: Hsuehshan, above Shan-Liu-Gien Hut, 3220 m, 7.V.1991 (T 69); 1, 1: ibidem 3150 m, 8.V.1991 (T 71); 1, 3: ibidem 3200 m, 8.V.1991 (T 72); 1: Hsuehshan Main Peak, 3650 m, 9.V.1991 (T 73) all leg. A. SMETANA; 1: Nantou Hsien: Piluchi, 18.VII.1988, leg. S. NOMURA ; 1: Chiai Hsien: 1: Alishan, 3.V.1983, leg. T. ITO.- HT and PTT in coll. SMETANA (Ottawa), PTT also in coll. NAOMI, coll. DE ROUGEMONT and in cP .
D e s c r i p t i o n: Macropterous, black, moderately shiny, each elytron with a long, oval, slightly elevated orange spot in posterolateral quarter (fig. 42); punctuation of the forebody coarse and very dense, slightly coalescent, abdominal punctuation coarse and dense anteriorly, fine and moderately sparse posteriorly; pubescence short, recumbent. Antennae reddish brown, club infuscate. Maxillary palpi reddish brown. Paraglossae coniform. Legs reddish brown, apices of femora and of tarsal segments shortly darker. Clypeus black, labrum blackish brown, anterior margin brown, moderately densely pubescent.
Length: 5.3-7.0 mm (forebody: 2.9-3.1 mm).
PM of the HT: HW: 50; DE 27; PW: 39; PL: 43; EW: 49.5; EL: 51; SL: 40; SpL: 19.
M a l e: About as in S. bilunatus , but the punctuation of sternites much finer and the notch of sternite 8 slightly less deep. Outline of aedeagus similar to that of S. bilunatus , anterior shape of expulsion clasp also very similar but slightly narrower (fig. 92).
F e m a l e: About as in S. bilunatus , but the infundibulum of spermatheca narrower and longer (fig.104).
C o m p a r a t i v e n o t e s: In most respects similar to S. bilunatus , but the head on the average narrower (HW: EW = 0.94-1.04, ø 0.99, N= 31), the elytral spot a little longer (SpL: EL = 0.31-0.46, ø 0.38, N= 31). The punctation of the posterior abdomen is distinctly sparser and less dense: on tergite 7 punctures are smaller than one eye facet near dorsal eye margin, interstices distinctly larger (up to twice as large) as punctures (in S. bilunatus punctures are as large or larger as eye facets near dorsal eye margin, interstices on the average slightly smaller than punctures).- For identification amongst the Taiwanese species see key.
E t y m o l o g y:" bilunatoides " (Lat.) = close to S. bilunatus .
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