Trigonosoma modestum Jakovlev, 1880b: 207. LT (Derzhansky et al., 2002: 369): female, Iran, Shahrud; ZMAS.
Trigonosoma (Selenodera) modestum var. martini Horváth, 1889d: 48 (upgraded by Puton, 1892b: 32; syn. Gapon, 2007d: 66). STS: male, female, Algeria (Kef-el-Dor and Ouled-Autrem) and Azerbaijan (Ordubad); HNHM, MNHN?