Sulcignathos, a New Subgenus of Pachylister Lewis, 1904 (Coleoptera: Histeridae)
A new subgenus, Sulcignathos sub. nov., is erected to include Pachylister baconi, P. luctuosus and P. scaevola. The new following synonyms have been established: P. baconi (Marseul, 1854) = P. assamensis (Marseul, 1857) syn. nov., P. luctuosus (Marseul, 1854) = P. spinipes (Marseul, 1854) syn. nov., All the species of Sulcignathos are keyed and a general distribution is given for each of them. P. baconi is new to Nepal.