Nosema bombi is a bee pathogen that has also afflicted European bumble bees.

微孢子虫是一种蜂类病原体，它也困扰欧洲的大黄蜂。

youdao

Bumble bees also make honey but it is used to feed the colony, not farmed for human consumption.

大黄蜂虽然也酿蜜，但是只用作维系种群，不养来产蜜供人类食用。

youdao

Bumble bees also make honey, but it is used to feed the colony, not farmed for human consumption.

大黄蜂虽然也酿蜜，但是只用作维系种群，不养来产蜜供人类食用。

youdao

There is also the wild bumble bees and the solitary bees.

BBC: Making a bee-line for city roofs

"One of the main reasons bumble bees have been declining over the last 70, 80 years has been changes in the landscape, " explains Dawn Ewing, outreach manager of the Bumblebee Conservation Trust.

BBC: Making a bee-line for city roofs

They have commissioned new studies that will look at the impacts of neonicotinoids on bumble bees in field conditions and to understand what levels of pesticide residues and disease in honey bees are normal.

BBC: Science & Environment