Diachlorus is a genus of biting horseflies of the family Tabanidae. D. ferrugatus ranges from the southeastern United States to Costa Rica. There are 27 species with a neotropical distribution, with the greatest diversity in Brazil, while 3 are found in Central America.[4][5][6]
^Burger, J. F. (1995). "Catalog of Tabanidae (Diptera) in North America north of Mexico". International Contributions on Entomology. 1 (1). Associated Publishers: 1–100.