Các loài trong chi này gồm:

• Diacantha abdominalis (Jacoby, 1891)
• Diacantha aeneoguttata (Fairmaire, 1884)
• Diacantha affinis Weise, 1901
• Diacantha albidicornis Weise, 1901
• Diacantha apicata (Weise, 1912)
• Diacantha beniensis (Laboissiere, 1924)
• Diacantha bidentata (Fabricius, 1781)
• Diacantha bifasciata (Laboissiere, 1924)
• Diacantha bifida (Laboissiere, 1924)
• Diacantha bifossulata (Laboissiere, 1931)
• Diacantha bifrons (Laboissiere, 1924)
• Diacantha bifurcata (Laboissiere, 1924)
• Diacantha bisbipunctata Weise, 1903
• Diacantha bituberculata (Fabricius, 1781)
• Diacantha burgeoni (Laboissiere, 1924)
• Diacantha carinata (Laboissiere, 1924)
• Diacantha caudata Weise, 1903
• Diacantha caviventris (Laboissiere, 1924)
• Diacantha cincta (Laboissiere, 1924)
• Diacantha collaris Weise, 1901
• Diacantha colmanti (Laboissiere, 1924)
• Diacantha colorata (Chapuis, 1879)
• Diacantha complexa (Laboissiere, 1924)
• Diacantha cupripennis (Laboissiere, 1924)
• Diacantha deusseni Karsch, 1881
• Diacantha diffusa Weise, 1901
• Diacantha dimidiata (Laboissiere, 1924)
• Diacantha dubia (Laboissiere, 1924)
• Diacantha duplicata Gerstaecker, 1871
• Diacantha elegans (Laboissiere, 1924)
• Diacantha enodis Weise, 1903
• Diacantha equatorialis (Laboissiere, 1924)
• Diacantha feai (Laboissiere, 1929)
• Diacantha fenestrata (Chapuis, 1879)
• Diacantha flavodorsata (Fairmaire, 1893)
• Diacantha flavonigra (Thomson, 1858)
• Diacantha fulva (Laboissiere, 1924)
• Diacantha ghesquierei (Labossiere, 1940)
• Diacantha humilis Weise, 1903
• Diacantha hybrida (Laboissiere, 1924)
• Diacantha hypomelaena (Thomson, 1857)
• Diacantha imitans (Laboissiere, 1924)
• Diacantha incerta Weise, 1903
• Diacantha insignita (Fairmaire, 1889)
• Diacantha jacobyi Weise, 1901
• Diacantha kolbei Weise, 1903
• Diacantha kraatzi (Jacoby, 1895)
• Diacantha laciniata Weise, 1924
• Diacantha longula Weise, 1903
• Diacantha marshalli (Laboissiere, 1924)
• Diacantha melanoptera (Thomson, 1857)
• Diacantha mimula Weise, 1903
• Diacantha modesta Weise, 1903
• Diacantha neumanni Weise, 1907
• Diacantha nigricornis Weise, 1901
• Diacantha nigrococcinea (Laboissiere, 1924)
• Diacantha oberthuri Jacoby, 1885
• Diacantha ornata Fairmaire, 1903
• Diacantha pallidula (Laboissiere, 1924)
• Diacantha pallipes Weise, 1901
• Diacantha parvula Weise, 1903
• Diacantha patrizii (Laboissiere, 1937)
• Diacantha pectoralis Fairmaire, 1898
• Diacantha preussi Weise, 1903
• Diacantha punctatissima (Jacoby, 1891)
• Diacantha regularis Weise, 1907
• Diacantha seminigra (Allard, 1888)
• Diacantha senegalensis (Laboissiere, 1924)
• Diacantha silvana Jacoby, 1906
• Diacantha similis (Laboissiere, 1924)
• Diacantha sinousa Weise, 1903
• Diacantha sternalis (Laboissiere, 1924)
• Diacantha straeleni (Laboissiere, 1939)
• Diacantha stuhlmanni Weise, 1903
• Diacantha uelensis (Laboissiere, 1924)
• Diacantha unifasciata (Olivier, 1808)
• Diacantha varians Weise, 1901
• Diacantha verticalis (Fairmaire, 1893)
• Diacantha vicina (Laboissiere, 1924)
• Diacantha viridipennis Jacoby, 1885
• Diacantha viridipicta (Fairmaire, 1902)