Revisión de las especies europeas del género Saphonecrus Dalla Torre & Kieffer, 1910 (Hymenoptera: Cynipidae: Cynipinae)

This is a revision of the known european species belonging to genus SaphonecrusD.T. and Kieffer. Taxonomic limits of the genus are discussed and differences seggregating it from the closely related genus Synergus Htg. are enumerated. A key of identification for the six european species is provided. Tree new synonyms are established: Synergus apertus
Giraud and S. Giraudi Pujade are synonymous of Saphonecrus undulatus (Mayr), and S. synophri Barbotin is a synonym of S. Lusitanicus Tav. Illustrations of the distinctive morphological characters of the studied species are given and for all of them
are also biological data given, including hosts and life cycles.