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This bumblebee is predominantly a grassland species; [2] the B. c. serrisquama subspecies, however, is a mountain bumblebee, living from 1,650 to 3,200 m (5,410 to 10,500 ft) above sea level. [ 5 ] References
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 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]
Smaller bees seem to pollinate more effectively than larger bees. Nevertheless, there does not appear to be a correlation between floral display size and body size. It has therefore been suggested that bumblebees of all different sizes respond in the same way to floral display size.
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.
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 .
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The bilberry bumblebee is rather small and compact, with a broad head and a short tongue. The queens have an average length of 16 mm (0.63 in), and a wingspan of 32 mm (1.3 in). [ 4 ] The corresponding lengths of the other castes are 12 mm (0.47 in) (worker) and 14 mm (0.55 in) (male). [ 5 ]