Bestimmungstabelle fur das Zeckengenus Hyalomma Koch

Hyalomma (=Cosmiomma) hippopotamense Denny, 1843. This species is usually called Dermacentor rhinocerotis DeGeer, with D. rhinocerinus Denny as a synonym. The poor figure published by DeGeer (vol.7, pl. 38 fig.6) does not represent a tick of this genus, is rather the species which has been known as Amblyomma marmoreum Koch, 1844, which according to rules of priority should be called Amblyomma rhinocerotis DeGeer 1778. For the species of Dermacentor we should now use rhinocerinus Denny, 1843.