UNIVERSITY OF AMSTERDAM

Part 1 of this study deals with the western palaearctic species of the cornicina group (Savchenko, 1973b). For each taxon the references, type-material, material examined, description,biology and distribution are presented and discussed. Six taxa are new to science (lempkei, appendiculatapertenua, theowaldi,fontana, exastigma and sardegniensis), oneis redefined (astigma) and one is given a new status (surcoufi). The females of beckeri, saccai, forcipata and schaeuffelei are described for the first time. Thirty-seven names are known in the literature for twenty-six taxa discussed. Contents General introduction 2 Criteria for the lower taxa 3 Discussion of characters