Strumia, F. (2012) “To the knowledge of Hedychridium Abeille de Perrin, 1879 (Hymenoptera: Chrysididae) of Mediterranean Region, with description of new species and new synonymy”, Zootaxa. Auckland, New Zealand, 3548(1), pp. 65–68. doi: 10.11646/zootaxa.3548.1.4.