Sheffield, Cory S., Royal Saskatchewan Museum

• Journal of the Entomological Society of British Columbia Vol. 115 (2018): Journal of the Entomological Society of British Columbia - Articles
  The bees of British Columbia (Hymenoptera: Apoidea, Apiformes)
  Abstract  PDF
• Journal of the Entomological Society of British Columbia Vol. 112 (2015): Journal of the Entomological Society of British Columbia - Scientific Notes
  First record of the Lasioglossum (Dialictus) petrellum species group in Canada
  Abstract  Figure 1  Figure 2  PDF