Review of the Dyspessa salicicola (Eversmann, 1848) species group (Lepidoptera, Cossidae: Cossinae)

The article gives a revision on the species group Dyspessa salicicola (Eversmann, 1848) (Lepidoptera, Cossidae, Cossinae). The group comprises six valid taxa, namely D. salicicola salicicola, D. salicicola aschabadensis Daniel, 1953, D. saissanica Yakovlev, 2014, D. kostjuki Yakovlev, 2005, D. arabesca Yakovlev, 2005 and D. muelleri Yakovlev, sp. nov. (type locality: “Nord Jordanien, Totes Meer-Ostufer, Wadi Ibn Hammad”), united by a specific habitus (the yellow forewing with a remarkable pattern of spots). Detailed data on the distribution of all the species are provided, short diagnoses are given. The article is illustrated with images of specimens from different localities and male genitalia of all the considered taxa.