the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Arthropoda (phylum)
Hexapoda (superclass)
Insecta (class)
Hymenoptera (order)
Apocrita (suborder)
Aculeata (superfamily)
Apidae (family)
Megabombus (genus)
Megabombus pennsylvanicus (species)
American common bumblebee (primary common name)
[hide inferior taxa]