SUMMARY
G. B. Fairchild: Tabanidae (Diptera) recolted in French Guiana by the National Museum of Natural History Expedition.
Twenty species of Tabanidae were collected in French Guiana by the Balachowsky-Gruner-Charpentier expedition. Two of these, Catachlorops balachowsky and Leucotabanus janinae are described as new, while 8 represent additions to the fauna. A list of the species previously known from the area is given.