FIGURES 274–292 in Notes on the genus Ceruchus MacLeay from China, with the description of a new species (Coleoptera: Scarabaeoidea: Lucanidae)

FIGURES 274–292. Field observations of Chinese Ceruchus. 274 — habitat of Ceruchus yangi (Mount Leigongshan, 1856 m, 6 September 2009, by X.-D. Yang); 275 — a standing dead tree inhabited by Ceruchus yangi (by X.-D. Yang); 276–277 — newly emerged male adult of Ceruchus yangi in pupal cell; 278 — female adult of Ceruchus yangi found in white wood; 279–280 — habitat of Ceruchus katerinae (Hailuogou, Sichuan, 3100 m, 30 July 2006, by L. Tang); 281–283 — male of Ceruchus katerinae crawling on living stem of Abies tree (by L. Tang); 284 — habitat of Ceruchus niger (Mount Laojunshan, 3500 m, 13 June 2009, by J.-Q. Zhu); 285– 286 — fallen dead coniferous tree inhabited by Ceruchus niger (by J.-Q. Zhu); 287 — male adult of Ceruchus niger found in the powdery wood (by J.-Q. Zhu); 288 — habitat of Ceruchus minor (Zhouqu, 2340 m, 18 October 2009, by X.-D. Yang); 289–290 — a living broadleaf inhabited by Ceruchus minor (by X.-D. Yang); 291 — adult of Ceruchus minor found in white wood of the tree (by X.-D. Yang); 292 — newly emerged male adult of Ceruchus minor in white wood taken from the habitat at Diebu (by H. Huang).