Subgenus ISOHELEA Kieffer

singularis (Santos Abreu, 1918): 317 ( Ceratolophus). Canary Islands (Spain).

obscurus (Santos Abreu, 1918): 323 ( Ceratolophus, as variety of rufigastris Santos Abreu). Canary Islands (Spain).

rufigastris (Santos Abreu, 1918): 321 ( Ceratolophus). Canary Islands (Spain).

surma Dominiak, Szadziewski and Salmela, 2020: 236 . Finland.