''Ceratodacus'' is a genus of tephritid fruitfly. The type species ''C. longicornis'' is found in South America in Brazil, Guyana and Peru. Nothing is known about its host plant. A second species, ''C. priscus'' has been described from Dominican amber (Upper Eocene, age estimates vary widely from 15 to 45 million years).
References
{{Taxonbar, from = Q112274046
Tephritidae genera