Scirtidae of the Oriental Region, Part 11. Notes on the Cyphon coarctatus Species Group (Coleoptera), with Descriptions of New Species

Abstract

The Oriental species of the coarctatus species-group of the genus Cyphon are reviewed. Two new subgroups, the tetranematus and the formosanus are newly proposed Following nine new species, and three known species on the basis of additional specimens are described or redescribed: C. montipanus sp. nov.(Laos); C. nobuoi sp. nov. (Indonesia); C. muluensis sp. nov. (Malaysia): C. sadanarii sp. nov. (Vietnam); C. nepalensis sp. nov.(Nepal); C. brevirostris sp. nov. (Nepal); C. masahiroi sp. nov. (Nepal); C. baoshanensis sp. nov. (China); C. tetranematus sp. nov. (Thailand); Cyphon unipunctatus KLAUSNITZER, 1980 (Philippines); C. litigiosus KLAUSNITZER, 1980; C. maculipennis KLAUSNITZER, 1968 (Nepal, new record).