Citation: P. Rasnitsyn Alexandr et Ansorge, JÖrge, New Early Cretaceous Hymenopterous insects (Insecta: Hymenoptera) from Sierra del Montsec (Spain), Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 74(3), 2000, pp. 335-341