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Reference:

Castro, Leopoldo & Dvořák, Libor. (2009). New and noteworthy records of vespid wasps (Hymenoptera: Vespidae) from the Palaearctic region (II). Boletín Sociedad Entomológica Aragonesa. 44. 295–304.

URL:

https://www.researchgate.net/publication/257932333_New_and_noteworthy_records_of_vespid_wasps_Hymenoptera_Vespidae_from_the_Palaearctic_region_II

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