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Two new species of the genus Pararrhynchium de Saussure (Hymenoptera: Vespidae: Eumeninae) from northern Vietnam

. Zootaxa [Internet]. 2015 Jun. 22 [cited 2025 May 3];3974(2):170–176. Available from: https://www.mapress.com/zt/article/view/zootaxa.3974.2.2