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Bombus hortorum
The garden bumblebee or small garden bumblebee, ''Bombus hortorum'', is a species of bumblebee found in most of Europe north to 70ºN, as well as parts of Asia and New Zealand. It is distinguished from other bumblebees by its long tongue used for feeding on pollen in deep-flowered plants. They have a remarkable visual memory capacity, which aids them in navigating the territory close to their habitat and seeking out food sources. Due to its long tongue, this bumblebee mainly visits flowers with deep corollae, such as deadnettles, ground ivy, vetches, clovers, comfrey, foxglove, and thistles.〔
==Taxonomy and phylogeny==
''Bombus hortorum'' belongs to the ''Bombus'', or bumblebee, genus. It holds the position of being one of the six most common bumblebees throughout Europe.〔 Of the six species, only two are long-tongued: ''B. hortorum'' and ''B. pascuorum''.
It is closely related to the species ''Bombus ruderatus''. The two species are nearly identical in terms of morphology, but a DNA sequencing test serves to distinguish them. The test uses electrophoresis-banding patterns to assign identities to the two physically similar species, and taxonomists have discovered an 89-100 percent success rate of accurately recognizing individuals from the two species based on their genetic information.
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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