Notes on the Dianous luteoguttatus complex with description of a new species (Coleoptera: Staphylinidae) Author Tang, Liang Author Wang, Wei Author Szx, Olympus Author Eos, Canon text Acta Entomologica Musei Nationalis Pragae 2018 2018-07-21 58 1 237 242 journal article 10.2478/aemnp-2018-0020 00788319-7617-4668-abae-f5359ea67afc 1804-6487 3699232 E0D2154F-829D-4995-AAFF-5B01F282DBB0 Key to the Dianous luteoguttatus complex 1 Elytra without orange spots, metatarsomere I distinctly longer than the following three tarsomeres combined. ................................................................................ 2 – Elytra with orange spots, metatarsomere I distinctly shorter than the following three tarsomeres combined. ................................................................ 3 2 Punctation of interocular area dense, elytra longer with EL/EW=1.22–1.24. BL: 7.5–7.9 mm . Habitus: Fig. 5 ; sexual characters: Figs 15–17 . China ( Yunnan ). ........ ..................................... D. vorticipennis Puthz, 2005 – Punctation of interocular area sparse, elytra shorter with EL/EW=1.09–1.15. BL: 6.3–6.6 mm . Habitus: Fig. 6 ; sexual characters: Figs 18–22 . China ( Sichuan , Yunnan ). .................................... D. lilizheni sp. nov. 3 Femora bicolored. BL: 6.1–7.2 mm . Habitus: Fig. 2 ; sexual characters: Figs 7–9 . China ( Yunnan , Xizang ), Myanmar . .................. D. cruentatus L. Benick, 1942 – Femora uniformly black. ......................................... 4 4 Smaller species with BL: 5.3–6.1 mm , median portion of interocular area with interstices about as wide as diameter of punctures, punctation of elytra less confluent. Habitus: Fig. 4 ; sexual characters: Figs 11–14 . China ( Guangxi , Fujian ), Vietnam . ................ ..................................... D. depressifrons Puthz, 2016 – Larger species with BL: 6.0– 7.2 mm , median portion of interocular area with interstices distinctly narrower than half the diameter of punctures, punctation of elytra more confluent. .............................................. 5 5 Body with plumbeous luster, pronotal punctation less confluent, elytral spots smaller. BL: 6.0– 7.2 mm . Habitus: Fig. 1 ; sexual characters: Figs. 87, 90 in PUTHZ (2000) , Fig. 1 in PUTHZ (1980) . China ( Taiwan) , India , Nepal , Vietnam . ................................................ .............................. D. luteoguttatus Champion, 1919 – Body without plumbeous luster, pronotal punctation more confluent, elytral spots larger. BL: 6.0–7.0 mm. Habitus: Fig. 3 ; sexual characters: Fig. 10 ; see also Figs. 3, 6 in PUTHZ (2005) . China ( Yunnan ). .............. ..................................... D. rimosipennis Puthz, 2005