| 41. | In " Bombus vestalis ", the fifth antennal segment will be the same length as the third and fourth together.
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| 42. | Primary Nectar robbing by " Bombus " species, including " Bombus occidentalis " is common in some populations.
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| 43. | Primary Nectar robbing by " Bombus " species, including " Bombus occidentalis " is common in some populations.
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| 44. | Greater use of native pollinators, such as " Bombus ignitus " in China and Japan, has occurred as a result.
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| 45. | The decline of its populations started with the introduction of " Bombus terrestris " and " B . terrestris ".
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| 46. | The " Bombus morio " display a specific type of behavior to release the pollen from the flowers called the buzz pollination.
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| 47. | This is a very effective method of dislodging the pollen, and helps the " Bombus morio " be very effective pollinators.
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| 48. | Insect species include the Arcitc bummblebee ( " Bombus polaris " ), the mosquito, the hoverfly and the black fly.
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| 49. | It is similar in appearance to " Bombus muscorum ", and is replacing the species in Northern Britain " ."
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| 50. | Together, the two organs work together to achieve homeostasis within the " Bombus morios " bodies despite the lack of rectal papillae.
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