Rhyncocheilus Fauvel 1882
Creators: name: Tang, Liang
name: Schillhammer, Harald
name: Zhao, Xin
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Rhyncocheilus

description: Key to Chinese species of Rhyncocheilus
1 Elytra without patch of white pubescence; abdominal tergites III–VII with pair of oblique accessory lines; head shorter, with HW/HLŻ1.10........................................................................................ 2
- Elytra with patch of white pubescence; abdominal tergites III–VII without pair of oblique accessory lines; head longer, with HW/HLž1.04........................................................................................ 4
2 Antennomeres 1 and 2 reddish. Habitus: fig 1 in Schillhammer, 2012; aedeagus: figs 23a–c in Schillhammer, 2012. China (Yunnan)......................................................................................... R. aureus
- Antennomeres 1–7 reddish.............................................................................. 3
3 Robust body form as in Figs 1, 2; forebody with greater number of black markings; abdominal segments III– V with more ex- tensive white pubescence; abdominal tergite VII with patch of white pubescence longer. Aedeagus: Figs 30–33. China (Fujian, Guangdong, Yunnan), Myanmar .............................................................. R. rugulipennis
- Slender body form as in Figs 3, 4; forebody with fewer black markings; abdominal segments III–V with less white pubescence; abdominal tergite VII with patch of white pubescence shorter. Aedeagus: Figs 34–37...................... R. huanghaoi
4 Vertex of head with sharp V-shaped incision (fig. 22 in Schillhammer, 2012) in front of indistinctly carinate gibbosity; abdomi- nal tergite VII without patch of white pubescence. Habitus: Figs 5, 6; aedeagus: Figs 38–41. China (Henan, Hubei, Gansu)............................................................................................ R. henanensis
- Vertex of head without sharp V-shaped incision in front of indistinctly carinate gibbosity; abdominal tergite VII with large patch of white pubescence................................................................................... 5
5 Body blackish, ventral side of head mainly black. Habitus: Figs 11, 12; aedeagus: Figs 54–57. China (Yunnan).................................................................................................. R. yangxiaodongi
- Body brownish, ventral side of head reddish (Fig. 8)......................................................... 5
6 Labrum with more setae (Fig. 27); silvery pubescent patches on elytra and abdominal tergite VII larger. Habitus: Figs 9, 10; aedeagus: Figs 50–53. China (Sichuan).… R. gonggashanus
- Labrum with less setae (Fig. 24); silvery pubescent patches on elytra and abdominal tergite VII smaller (Fig. 7).......... 7
7 Body color darker; anterior portion of mesoventrite broad, lateral margins of mesoventral process more or less straight (fig. 31 in Schillhammer, 2012). Habitus: Figs 7, 8; aedeagus: Figs 42–49. China (Sichuan).................... R. griseosericans
- Body color lighter; anterior portion of mesoventrite narrower, lateral margins of mesoventral process slightly convex (fig. 32 in Schillhammer, 2012). Habitus: fig. 10 in Schillhammer, 2012; aedeagus: figs 30a–c in Schillhammer, 2012. China (Sichuan)...................................................................................... R. sommersgutteri
description: Published as part of Tang, Liang, Schillhammer, Harald & Zhao, Xin, 2021, Notes on the genus Rhyncocheilus in China (Coleoptera, Staphylinidae Staphylininae) with descriptions of three new species, pp. 99-112 in Zootaxa 4948 (1) on pages 111-112, DOI: 10.11646/zootaxa.4948.1.5, http://zenodo.org/record/4616173