A new species Chrysorithrum duda (Lepidoptera: Erebidae) from China.

A new noctuid moth, Chrysorithrum duda sp. n., from southwest China is described. Previously the genus Chrysorithrum (Butler 1878) included two species with eastern Palaearctic and Manchurian distributions. The new species differs in appearance, genitalia and DNA from its congeners Chrysorithrum flavomaculata (Bremer) and Chrysorithrum amata (Bremer & Grey). Nomenclature used here follows Draudt 1950, Gyulai et al. 2011, Goater et al. 2003, Kononenko et al. 1998, Kononenko 2010. Institutional acronyms used are as follows: AFM = Alessandro Floriani (Milan, Italy); GBG/ZSM = Gottfried Behounek (Grafing, Germany)/Zoologische Staatssammlung, München (Germany); NRCV = Nature Research Centre (Vilnius, Lithuania); OPB = Oleg Pekarsky (Budapest, Hungary); WIGJ = World Insect Gallery (Joniškis, Lithuania); ZFMK = Zoologisches Forschungsmuseum Alexander Koenig.