FIGURES 314–318 in A Revision of the Wasp Genus Pison Jurine, 1808 of Australia and New Zealand, New Guinea, and the Pacific Islands (Hymenoptera: Crabronidae)

FIGURES 314–318. Pison difficile Turner, (314) Female gaster with predominantly ferruginous tergum I; (315) Female gaster with predominantly black tergum I; male: (316) Sternum VIII (ventral view); (317) Genitalia in dorsal view; (318) Genitalia in lateral view.