Sobre los Eumenidae de la Sierra de Ronda: I (Hym.).

The paper presents data concerning 35 species of Eumenidae from the Sierra de Ronda area (provinces of Málaga and Cádiz). Of these, 26 are new records for the area, and one (Allodynerus koenigi) had been recorded from the Iberian Peninsula only once previously. Supplementary information is given on the iberian distribution of this species and those of Euodynerus fastidiosus, E. hellenicus and Ancistrocerus reconditus.