Stenus Latreille 1796
Creators: name: Tang, Liang
name: Xu, Wang
name: Xia, Mei-Hua
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Stenus

description: Key to Stenus species of Shenzhen City
1 Legs with tarsomeres IV simple.......................................................................... 2
- Legs with tarsomeres IV distinctly bilobed................................................................. 5
2 Elytra each with an orange spot............................................................. S. tenuipes Sharp
- Elytra entirely black................................................................................... 3
3 Large species, BL: 4.8–5.5 mm ....................................................... S. formosanus L. Benick
- Small species, BL: 3.0–4.0 mm.......................................................................... 4
4 Abdominal tergites of segments III–V without longitudinal basal carina.............................. S. eurous Puthz
- Abdominal tergites of segments III–V with four longitudinal basal carinae............. S. melanarius melanarius Stephens
5 Abdominal segments with long and suberect setae.......................................... S. wutongshanus sp. n.
- Abdominal segments with short and recumbent setae........................................................ 6
6 Abdominal segments IV–VI with paratergites............................................................... 7
- Abdominal segments IV–VI without paratergites............................................................ 9
7 Head with very large eyes, average distance between eyes at most half the width of head....... S. bivulneratus Motschulsky
- Head with smaller eyes, average distance between eyes broader than half the width of head.......................... 8
8 Legs with knees distinctly darken, punctation of entire body sparser and less confluent................ S. stigmatias Puthz
- Legs with knees inconspicuously darken, punctation of entire body denser and more confluent................................................................................................. S. abdominalis abdominalis Fauvel
9 Abdominal segments bicolored......................................................................... 10
- Abdominal segments entirely black...................................................................... 11
10 Pronotum reddish, elytra blackish with basal and apical margins reddish............... S. flavidulus paederinus Champion
- Pronotum black, elytra black with pair of large orange spots..................................... S. frater L. Benick
11 Abdominal tergite X concaved apicomedially, head and pronotum without impunctate patch........... S. spurius L. Benick
- Abdominal tergite X rounded apically, head and pronotum with impunctate patches...... S. piliferus piliferus Motschulsky
description: Published as part of Tang, Liang, Xu, Wang & Xia, Mei-Hua, 2019, A study on the genus Stenus Latreille from Shenzhen City of Guangdong, South China (Coleoptera, Staphylinidae), pp. 365-374 in Zootaxa 4615 (2) on page 372, DOI: 10.11646/zootaxa.4615.2.8, http://zenodo.org/record/3244764