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Cockerell's bumblebee
Cockerell's bumblebee, ''Bombus cockerelli'', is a yellow and black bumblebee known only from fewer than 30 specimens, collected at a few high-altitude (over ) localities in the White Mountains of New Mexico, all within an area of less than , giving it the smallest range of any of the ~250 species of bumblebees in the world.〔Yanega, D. 2013. The status of Cockerell’s Bumblebee, ''Bombus (Pyrobombus) cockerelli'' Franklin, 1913 (Hymenoptera: Apidae). Southwestern Entomologist 38: 517-522〕〔(Scientists Rediscover Rarest U.S. Bumblebee; UCR Newsroom, December 5, 2011 )〕x
==Description==
''Bombus cockerelli'' is a typical bumblebee in appearance, with queens long, and distinctly smaller workers. The queens and workers are black on the head, with a few pale yellow hairs. The anterior and posterior thorax and the two basal and two terminal abdominal segments are yellow, while abdominal segments 3 and 4 are black.〔(images of ''Bombus cockerelli'' at EOL )〕 Males are unknown.
Another species of bumblebee, ''Bombus balteatus'', known to occur at high altitudes in Colorado, is similar to ''B. cockerelli'',〔(Bugguide image of ''Bombus balteatus'' )〕 but ''B. cockerelli'' has a shorter head, numerous intermixed black hairs on the anterior thorax, and the abdominal apex is yellow rather than rust-tinted.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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