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Taxonomic revision and cladistic analysis of the species of Zethus mexicanus group (Linnaeus, 1758) sensu Bohart & Stange, 1965 (Hymenoptera, Vespidae, Eumeninae)

. Zootaxa. 4743, 3 (Feb. 2020), 337–358. DOI:https://doi.org/10.11646/zootaxa.4743.3.2.