Pille Arnold, Juliana, Mark V. Murphy, Raphael K. Didham, and Terry F. Houston. 2019. “Rediscovery of the ‘extinct’ Bee Hesperocolletes Douglasi Michener, 1965 (Colletidae: Colletinae: Paracolletini) in Western Australia and First Description of the Female”. Journal of Threatened Taxa 11 (3):13310-19. https://doi.org/10.11609/jott.4610.11.3.13310-13319.