Frisch, J. “The Scopaeus decipiens Species Group from the East Palaearctic and the Oriental Regions, With Redescription of S. velutinus Motschulsky, 1858”. Zootaxa, vol. 5693, no. 2, Sept. 2025, pp. 179-00, doi:10.11646/zootaxa.5693.2.3.