Distribution map. S. (O.) crispatus Chen & Ren, sp. n. (●); S. (O.) robustibasalis (Yu), comb. n. (★); S. (O.) duomaculatus Chen & Ren, sp. n. (▲).

 
 
  Part of: Chen X, Canepari C, Wang X, Ren S (2016) Revision of the subgenus Orthoscymnus Canepari of Scymnus Kugelann (Coleoptera, Coccinellidae), with descriptions of four new species. ZooKeys 552: 91-107. https://doi.org/10.3897/zookeys.552.6167