Reference:
Budrienė, Anna. (2003). Prey of Symmorphus Wasps (Hymenoptera: Eumeninae) in Lithuania. Acta Zoologica Lituanica. 13. 306-310. 10.1080/13921657.2003.10512686.URL:
https://www.researchgate.net/publication/254326756_Prey_of_Symmorphus_Wasps_Hymenoptera_Eumeninae_in_Lithuania/link/0c960535525d1447d9000000/downloadReferences
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