Diadelia is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
subgenus Adiadelia
Diadelia inermicollis Breuning, 1939
Diadelia nitidipennis Breuning, 1966
subgenus Anadiadelia
Diadelia albosquamulosa Breuning, 1949
subgenus Congodiadelia
Diadelia congoana Breuning, 1943
subgenus Diadelia
Diadelia affinis Breuning, 1939
Diadelia albomaculatoides Breuning, 1961
Diadelia albomarmorata Breuning, 1965
Diadelia albovittata Breuning, 1957
Diadelia antegrisea Breuning, 1957
Diadelia apicalis (Gahan, 1890)
Diadelia apicefusca Breuning, 1970
Diadelia atomosparsa Fairmaire, 1904
Diadelia basifusca Breuning, 1940
Diadelia basifuscipennis Breuning, 1957
Diadelia basifuscomaculata Breuning, 1980
Diadelia betschi Breuning, 1975
Diadelia bicoloricornis Breuning, 1961
Diadelia biplagiata Waterhouse, 1882
Diadelia bispina (Fairmaire, 1904)
Diadelia bispinipennis Breuning, 1961
Diadelia bispinosa Breuning, 1939
Diadelia blanci Breuning, 1975
Diadelia brunneofasciata Breuning, 1943
Diadelia cinerascens Fairmaire, 1896
Diadelia convexicollis (Fairmaire, 1899)
Diadelia costipennis Fairmaire, 1896
Diadelia densemarmorata Breuning, 1964
Diadelia dujardini Breuning, 1970
Diadelia excavatipennis Breuning, 1965
Diadelia flavicollis Breuning, 1957
Diadelia flavovitticollis Breuning, 1966
Diadelia flavovittipennis Breuning, 1957
Diadelia geminatoides Breuning, 1961
Diadelia granulipennis Breuning, 1957
Diadelia granulithorax Breuning, 1957
Diadelia grisea Breuning, 1969
Diadelia griseata Breuning, 1957
Diadelia griseola Breuning, 1939
Diadelia grisescens Breuning, 1939
Diadelia imitatrix Breuning, 1939
Diadelia iners Fairmaire, 1902
Diadelia infasciata Breuning, 1957
Diadelia inornata (Fairmaire, 1905)
Diadelia interrupta (Fairmaire, 1896)
Diadelia lateriplagiata Breuning, 1939
Diadelia lebisi Breuning, 1957
Diadelia leucovittata Breuning, 1970
Diadelia lignea Breuning, 1940
Diadelia ligneoides Breuning, 1961
Diadelia lineata Breuning, 1943
Diadelia lineigera (Fairmaire, 1899)
Diadelia lineolata Breuning, 1939
Diadelia marmorata Breuning, 1939
Diadelia marmoratoides Breuning, 1975
Diadelia nervosa Fairmaire, 1871
Diadelia nervulata Fairmaire, 1903
Diadelia nigropunctata Breuning, 1980
Diadelia obenbergeri Breuning, 1943
Diadelia oberthuri Breuning, 1957
Diadelia obliquata Breuning, 1948
Diadelia obliquefasciata Breuning, 1965
Diadelia obliquenigrovittata Breuning, 1980
Diadelia obliquepicta (Fairmaire, 1899)
Diadelia obliquevittata Breuning, 1961
Diadelia ochreovittata Breuning, 1970
Diadelia paracostipennis Breuning, 1970
Diadelia parapunctifrons Breuning, 1977
Diadelia parobliquata Breuning, 1975
Diadelia parvula Breuning, 1939
Diadelia postalbomaculata Breuning, 1957
Diadelia puncticollis Breuning, 1940
Diadelia punctifrons Breuning, 1940
Diadelia ratovosoni Breuning, 1970
Diadelia rotundipennis Breuning, 1966
Diadelia rugicollis Breuning, 1980
Diadelia strandiella Breuning, 1940
Diadelia sublinea Breuning, 1970
Diadelia subnervulata Breuning, 1957
Diadelia subornata Breuning, 1957
Diadelia subuniformis Breuning, 1961
Diadelia transversefasciata Breuning, 1964
Diadelia truncata (Aurivillius, 1915)
Diadelia unicolor Breuning, 1970
Diadelia vadoni Breuning, 1957
Diadelia vadoniana Breuning, 1957
Diadelia vagefasciata Fairmaire, 1902
Diadelia vicina Breuning, 1961
Diadelia viossati Breuning, 1970
Diadelia vittipennis Breuning, 1957
Diadelia x-brunnea Breuning, 1939
Diadelia x-fasciata Gahan, 1890
Diadelia x-fascioides Breuning, 1971
Diadelia x-flava Breuning, 1971
Diadelia x-fusca Breuning, 1965
Diadelia x-fuscoides Breuning, 1980
Diadelia xylina Breuning, 1961
subgenus Guineodiadelia
Diadelia gabonica Breuning, 1940
Diadelia guineensis Baguena Corella & Breuning, 1958
subgenus Myodiadelia
Diadelia albosetosa Breuning, 1953
Diadelia fuscostictica Baguena Corella & Breuning, 1958
Diadelia laeviceps Breuning, 1942
Diadelia longicornis Breuning, 1949
Diadelia minuscula Breuning, 1940
Diadelia retrospinosa Breuning, 1961
Diadelia spinipennis Breuning, 1961
Diadelia squamulosa Breuning, 1940
subgenus Setodiadelia
Diadelia holobrunnea Breuning, 1980
Diadelia laterimaculata Breuning, 1943
Diadelia setigera Breuning, 1957
Diadelia setigeroides Breuning, 1980