Medhiama Bordoni
Creators: name: Zhou, Yu-Lingzi
name: Zhou, Hong-Zhang
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Medhiama

description: Key to species of the genus Medhiama Bordoni
(Excluding three species known from single females)
1 Body relatively large, longer than 8 mm .................................................................... 2
- Body medium or small, shorter than 8 mm .................................................................. 3
2 Body black in color; parameres of aedeagus broad and foot-like.......................... Medhiama nigromagna sp. n.
- Body brown in color; parameres of aedeagus simple and lobed............................... M. shichuanica Bordoni
3 Distance between head punctures longer or subequal to puncture diameter......................................... 4
- Distance between head punctures obviously less than puncture diameter.......................................... 6
4 Antennomere II shorter than antennomere III.................................................. M. zhengi Bordoni
- Antennomere II subequal to or slightly longer than antennomere III.............................................. 5
5 Number of punctures in admedian row on pronotum being more than 10...................... M. liupanshanensis sp. n.
- Number of punctures in admedian row on pronotum being 4................................. M. lanzhouensis Bordoni
6 Tempora, not wided and parallel.......................................................................... 7
- Tempora widened outwards.............................................................................. 8
7 Pronotum of same width as head; internal sac of aedeagus entirely bearing dense, very sclerotized spines.................................................................................................... M. wallstromi Bordoni
- Pronotum narrower than head; internal sac of aedeagus bearing sparse spines on the......................median portion.................................................................................. M. schawalleri Bordoni
8 Eye tiny, less than 1/5 of tempora length................................................................... 9
- Eye small, approximately 1/4 of tempora length............................................................ 10
9 Width of head longitudinal impunctate region ca 4–5 puncture diameters............................ M. puetzi Bordoni
- Width of head longitudinal impunctate region ca 2–3 puncture diameters....................... M. rhododendri Bordoni
10 Abdominal punctures sparsely distributed; parameres of aedeagus foot-like................... M. xiaolongmenensis sp. n.
- Abdominal punctures densely distributed; parameres of aedeagus not foot-like.................................... 11
11 Parameres complex, hook-like............................................................ M. paupera (Sharp)
- Parameres simple, substraight........................................................................... 12
12 Inner sac with two pairs of large spines..................................................... M. shanica Bordoni
- Inner sac without distinct spines......................................................... M. formosana Bordoni
description: Published as part of Zhou, Yu-Lingzi & Zhou, Hong-Zhang, 2012, Taxonomy of the genus Medhiama Bordoni, 2002 (Coleoptera: Staphylinidae, Staphylininae, Xantholinini) with descriptions of three new species, pp. 169-191 in Zootaxa 3478 on page 173, DOI: 10.5281/zenodo.282239