Best, L.R., Marshall, C.J. and Red-Laird, S. 2019. Confirmed presence of the squash bee, Peponapis pruinosa (Say, 1837) in the state of Oregon and specimen-based observational records of Peponapis (Say, 1837) (Hymenoptera: Anthophila) in the Oregon State Arthropod Collection. Catalog: Oregon State Arthropod Collection. 3, 3 (Jun. 2019). DOI:https://doi.org/10.5399/osu/cat_osac.3.3.4614.