Genus with 15-28 known species at least. Lot of variants and subspecies, often not easy to determine. Tragocephala jucunda, distributed in Madagascar, has 20 known variants. Genus is widely distributed in Equatorial Africa and Madagascar.
1.T.crassicornis  2.T.jucunda  3.T.bassamensis  4.T.castelnaudi  5.T.nobilis   6.T.castnia  7.T.variegata vittata  7.a T. variegata chevrolati  7.b T. variegata 8.T.berchmansi  9.T.guerini  10.T.alluaudi   11.T.mniszechii   12.T.mniszechi bluteli  13.T.frenata  14.T.formosa  15.T.pretiosa 16.T.univittipennis   17.T.sp   18.T.morio  19.T.sp.