Figure 6 from: Liu W-G, Fabrizi S, Bai M, Yang X, Ahrens D (2016) A taxonomic revision of Neoserica (sensu lato): the species groups N. lubrica, N. obscura, and N. silvestris (Coleoptera, Scarabaeidae, Sericini). ZooKeys 635: 123-160. https://doi.org/10.3897/zookeys.635.9915 - Liu, Wan-Gang (2016)