1930469
type: TaxonName
creator: www.organismnames.com
title: Psen yunnanensis
name complete: Psen yunnanensis
nomenclatural code: ICZN
published in: Three new species and two new records of the genus Psen from China (Hymenoptera: Apoidea: Crabronidae). Entomological Science, 10(3), September 2007: 259-265. 260 [Zoological Record Volume 143]
microreference: 260