title: Parachorius semsanganus sp. n. (Coleoptera, Scarabaeidae, Scarabaeinae) from Laos and its significance in the phylogeny of Oriental Deltochilini.
abstract: The new species Parachorius semsanganussp. n. is described from Laos. This enigmatic Oriental deltochiline represents a "morphological link" between Parachorius and Cassolus by sharing characters of the two genera. The fact that Parachorius semsanganus cannot be unequivocally placed in either of these two genera stresses some more general problems of the current classification of Parachorius and Cassolus. Such problems can be solved only in the course of phylogenetic analysis, the need of which is briefly outlined.
authors.affiliation: Department of Entomology, Natural History Museum of Denmark/University of Copenhagen, Zoological Museum, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
authors.forename: S
authors.initials: S
authors.lastname: Tarasov
authors.forename: D
authors.initials: D
authors.lastname: Keith