A review of the genus Microlithosia (Lepidoptera, Erebidae, Arctiinae) in Vietnam

Genus Microlithosia Daniel, 1954 of Arctiinae in Vietnam is reviewed, with two newly recorded species, Microlithosia shaowuica Daniel, 1954 and Microlithosia nanlingica Dubatolov, Kishida & Wang, 2012. Key to the species of Vietnam is provided. Illustrations of adults and genitalia of all the Microlithosia species are presented with a checklist.