Tragocephala ducalisTragocephala ducalis is a species of beetle in the family Cerambycidae. It was described by White in 1856. It is known from South Africa.VarietasTragocephala ducalis var. confluentina Breuning, 1934Tragocephala ducalis var. chloe Thomson, 1865Tragocephala ducalis var. grisea Jordan, 1894Tragocephala ducalis var. frenata Gerstäcker, 1855Tragocephala ducalis var. rikatlae Peringuey, 1896