TY - RPRT TI - Examining historical rates of leafcutting bee cell pathogens to establish baseline infectivity rates for alfalfa seed growers AU - Clements, J. AU - Haylett, M. AU - Nelson, B. AU - Walsh, D. PY - 2022 DO - 10.1101/2022.01.09.475547 UR - https://www.biorxiv.org/content/10.1101/2022.01.09.475547v1 ID - 10.1101/2022.01.09.475547 ER -