A hundred sixteen species of Dryinidae are listed in Argentina. The subfamily Apodryininae Olmi, thegenera Crovettia Olmi, Lonchodryinus Kieffer, Megadryinus Richards, Trichogonatopus Kieffer, Esagonatopus Olmi and Apodryinus Olmi, and the Gonatopus cubensis (Richards) group (formerly Acrodontochelys)and G. nigrithorax (Ogloblin) group (formerly Dicondylus) are quoted for the first time in Argentina. Dryinusstriaticeps (Kieffer) and Trichogonatopus albomarginatus (Cameron) are new records for Paraguay andTrichogonatopus hispidus Olmi for Bolivia. Fifty six new records for Argentina and forty one newdistribution records at provincial level are given. The relationships between the Argentinian dryinids andtheir hosts are summarized.