| genetic and morphometric evidence for the conspecific status of the bumble bees, bombus melanopygus and bombus edwardsii. | the taxonomic status of closely related bumble bee species is often unclear. the relationship between the two nominate taxa, bombus melanopygus nylander (hymenoptera: apidae) and bombus edwardsii cresson (hymenoptera: apidae), was investigated using genetic (enzyme electrophoretic) and morphometric analyses. the taxa differ in the color of the abdominal terga two and three, being ferruginous in b. melanopygus and black in b. edwardsii. b. edwardsii occurs throughout california, while b. melanopy ... | 2010 | 20874396 |