Phylogeny and population genetic analyses reveals cryptic speciation in the Bombus fervidus species complex (Hymenoptera: Apidae) Koch, Jonathan B. ; Rodriguez, Juanita ; Pitts, James P. ; Strange, James P. Abstract Publication: PLoS ONE Pub Date: November 2018 DOI: 10.1371/journal.pone.0207080 Bibcode: 2018PLoSO..1307080K