This is one of the most common and widespread bumble bee species in Vermont. Though found as far south as Illinois, populations are concentrated in the northeastern United States. B. ternarius is often found in urban settings and gardens and is one of the few species of bumble bee that is easy to identify. Queens emerge early and colonies persist into October.
Select food plants: Asclepias (Milkweeds), Rubus, Solidago (Goldenrods), Rhododendron, Vaccinium
Tongue Length: short
Similar Species: B. rufocinctus
queens: April – September
workers: May – September
males: July – October