da Silva-Matos, E.V. and Garófalo, C.A. 2000. Worker life tables, survivorship, and longevity in colonies of <i>Bombus (Fervidobombus) atratus</i> (Hymenoptera: Apidae). Revista de Biología Tropical. 48, 2-3 (Dec. 2000), 657–664. DOI:https://doi.org/10.15517/rbt.v48i2-3.18835.