Vossler, Favio Gerardo. “A Tight Relationship Between the Solitary Bee Calliopsis (Ceroliopoeum) Laeta (Andrenidae, Panurginae) and Prosopis Pollen Hosts (Fabaceae, Mimosoideae) in Xeric South American Woodlands”. Journal of Pollination Ecology 14 (October 9, 2014): 270–277. Accessed May 18, 2024. https://pollinationecology.org/index.php/jpe/article/view/280.