Timomenus Burr 1907
Creators: name: Sun, Meiling
name: Li, Kai
name: Liu, Xianwei
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Dermaptera
Forficulidae
Timomenus

description: Key to species of genus Timomenus Burr, 1907 from China (male only)
1 Forceps bases far apart................................................................................. 2
- Forceps bases nearly touching........................................................................... 7
2 Both sides of ultimate tergite without process............................................................... 3
- Both sides of ultimate tergite with ear-form process.................................. T. amblyotus Ma & Chen, 1992
3 Forceps with dorsal and inner teeth........................................................................ 4
- Forceps with inner tooth only........................................................................... 6
4 Antennae unicolorous; abdomen dark brown; forceps straight................................................. 5
- Antennae bicolorous; abdomen yellowish brown, both sides blackish; forceps incurved................ T. bicolor sp. nov.
5 Inner tooth of forceps in distal half...................................................... T. oannes (Burr, 1900)
- Inner tooth of forceps in proximal half............................................. T. komarovi (Semenov, 1901)
6 Forceps with very long inner tooth, obliquely raised................................................ T. bii sp. nov.
- Forceps with shorter inner tooth, not raised.............................................. T. shelfordi (Burr, 1904)
7 Forceps with dorsal tooth.............................................................................. 8
- Forceps without dorsal tooth........................................................................... 10
8 Body reddish brown without brilliant lustre; sides of abdominal tergites 5‒8 without prominent tubercles............................................................................................... T. aesculapius (Burr, 1905)
- Body black with brilliant lustre; sides of abdominal tergites 5–8 with prominent tubercles............................ 9
9 Body with purple lustre; forceps distinctly upcurved in side view............................... T. nevilli (Burr, 1904)
- Body with blue lustre; forceps not upcurved in side view.................................. T. lugens (Bormans, 1894)
10 Forceps with inner flange at base.................................................. T. dilatatus Zhang et al., 1999
- Forceps with inner tooth in half......................................................................... 11
11 Body dark brown; inner tooth of forceps in half............................................. T. pieli Hincks, 1940
- Body reddish brown; inner tooth of forceps in distal half.................................... T. aeris (Shiraki, 1906)
description: Published as part of Sun, Meiling, Li, Kai & Liu, Xianwei, 2016, Three new species of the subfamily Opisthocosmiinae from China (Dermaptera, Forficulidae), with new synonymies and combinations, pp. 359-371 in Zootaxa 4109 (3) on pages 359-360, DOI: 10.11646/zootaxa.4109.3.6, http://zenodo.org/record/266075