Altogether 18 species of the families Opetiidae and Platypezidae are reported from Romania, based on newly studied material and previously published records. The following three species are recorded from Romania for the first time: Agathomyiavernalis Shatalkin, 1981, Callomyiasaibhira Chandler, 1976, and Lindneromyiahungarica Chandler, 2001. The presented differential diagnosis and a detailed r...