Half-Black Bumble Bee

Fascinating facts about the Half-Black Bumble Bee

• The half-black bumblebee is a small species that occupies a broad swathe of eastern North America, with its range stretching from Ontario across to Nova Scotia and continuing southward to Georgia. This extensive distribution means it can be encountered in many provinces and states across the continent.
• A distinct subspecies called Bolster's bumblebee lives only on Newfoundland, an island off eastern Canada. Because it is confined to that island, the form is unique to the province and does not occur on the mainland. Its isolation has led to it being recognised as a separate subspecies of Bombus vagans, highlighting the geographic specialisation within the species.
• Unlike most regional bumblebees that prefer open fields, this species routinely forages in shady forest habitats, gathering nectar under canopy cover where others rarely venture. The queen favours apple and plum blossoms, while workers are attracted to a variety of plants such as red clover, Penstemon, milkweed, thistle, Eupatorium and meadowsweet.
• The half-black bumblebee builds its nest either on the ground surface or in underground cavities, creating a modest colony that can reach about seventy workers at its height. Such a size allows the queen to maintain a stable workforce for foraging and brood care throughout the summer months. These nests are occasionally infiltrated by the cuckoo bumblebee Bombus citrinus, which takes over the colony's resources.
• Queens of the half-black bumblebee emerge from hibernation relatively late, first being observed in early May in Maine, after which workers take to the wing from June through August. In more southerly parts of its range, queens can appear about a month earlier, extending the active season for the colony. Later in the year, male drones become common, frequently visiting aster and goldenrod as they seek nectar before mating.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia

At a glance

About the Half-Black Bumble Bee

As the Half-Black Bumble Bee emerges from its underground nest, it takes to the warm sunlight with a languid ease, its black and yellow fur a vibrant splash of colour against the soft petals of the flowers it seeks. With a gentle hum, it moves from bloom to bloom, collecting nectar and pollen with a busy diligence, its fuzzy body a blur of motion as it dances through the air. In its quiet, unassuming way, this humble bee is a remarkable creature, a testament to the beauty and resilience of the natural world.

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