Abstract

Twenty nine species and ten genera of Pipunculidae are reported from Costa Rica, including eight previously recorded species, thirteen new species and eight new records. The following species are described and illustrated: Cephalosphaera g uanacastens is, C. pro cera, C. z umbadoi, Eudo rylas abnor malis, E. echinatus, E. f alx, E. mor ag ai, E. serratus, Elmohardy ia adunca, E. bifida, E. costar icana, E. ga leata and E. mac ulata. The new records are C
Keywords: costa rica, diptera, pipunculidae, taxonomy