Psen fronistriatus sp. nov. ♂ A habitus, dorsal view B habitus, lateral view C head, frontal view D antennae E head, pronotum and scutum, dorsal view F scutellum, metanotum and propodeum, dorsal view G propodeum, posterior view H thorax, lateral view I male genitalia, dorsal view J male genitalia, ventral view K, L male genitalia, lateral view. Scale bars: 1 mm.

 
 
  Part of: Deng Y, Ma L, Li Q (2025) Two new species of Psen Latreille, 1796 (Hymenoptera, Apoidea, Crabronidae) from China, with a key to Psen species of China. ZooKeys 1224: 87-108. https://doi.org/10.3897/zookeys.1224.133244