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A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus Bombus, part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera (e.g., Calyptapis) are known from fossils.
Bombus impatiens, the common eastern bumblebee, is the most commonly encountered bumblebee across much of eastern North America. [3] They can be found in the Eastern temperate forest region of the eastern United States , southern Canada , and the eastern Great Plains . [ 4 ]
Bombus occidentalis, the western bumble bee, is one of around 30 bumble bee species present in the western United States and western Canada. [1] A recent review of all of its close relatives worldwide appears to have confirmed its status as a separate species.
The list presented here is a checklist of global bumblebee [1] species (Tribe Bombini) based on the Bombus phylogeny presented by Cameron et al (2007) [2] and grouped by subgenus following the revision of Williams et al (2008). [3]
Bombus dahlbomii, also known as the moscardón, is a species of bumblebee endemic to southern South American temperate forests. [2] B. dahlbomii is one of the largest bee species in the world, with matured queens growing up to 40 mm (1.6 in) long. [3]
Bombus griseocollis is a species of bumblebee known commonly as the brown-belted bumblebee. [ 1 ] [ 2 ] It is native to much of the United States except for the Southwest , and to the southernmost regions of several of the provinces of Canada .
Queens range in size from 0.97 to 1.07 inches (25-27 mm) while workers range in size from 0.56 to 0.75 inches (15-19 mm). [6] Queens and workers have very similar coloration. The female bee’s body is covered in short yellow and black hairs with distinctive flattened, black hairs on the third tergal segment. [6]
It is a small bumblebee; queens are 16–18 mm (0.63–0.71 in) long and female workers are 10–15 mm (0.39–0.59 in). It is mostly pale yellowish in colour with a black band across the thorax, two black bands across the abdomen, and an orange tip to the abdomen. It flies rapidly and queens produce a high-pitched buzz.