Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Euparagiinae are a small subfamily of rare wasps in the family Vespidae containing the single genus Euparagia. The group had a cosmopolitan distribution in past geological times but is now a geographically relict taxon known only from the desert regions of the southwestern United States and northwestern Mexico. This subfamily —with this same rank— have been previously grouped with the pollen wasps and treated together as the family "Masaridae".

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