A new species of Coomaniella (Coleoptera, Buprestidae, Coomaniellini) from Guangxi, China, with new distributional records and biological observations.

A new species Coomaniella (Coomaniella) dentatasp. nov. from Guangxi Province, China, is described and placed in the C. (C.) chinensis species-group. The variability is discussed, and a new adult host plant is recorded. New distributional records are given for C. biformissima Jendek & Kalashian, 1999 and C. lingafelteri Jendek & Pham, 2013.