Lifespan varies depending on both the species of bumblebee and the role/gender of the bee.
Here are some typical numbers though:
For Queens, about 18 months on average - enough for them to be born, live through summer, hibernate in winter, emerge in spring and set up their own colony during spring/summer. After that they die.
For female workers, the average is about 4 weeks, but it does vary by species - for some as few as 5 days, others maybe 6 weeks. Threat-level will also affect lifespan - workers that remain in the nest during their life may well live longer (I myself have recorded a lifespan of 100 days) - those that forage may become injured or predated and thus die prematurely.
Males (Drones) only live about 2 weeks, during which time they must mate.
Note that the lifespan of the colony as a whole is a different thing. Typically a bumblebee colony will last about 10 - 14 weeks.
The average lifespan of a honey bee worker in the summer is about six weeks: three weeks working in the hive and three weeks foraging. In the winter when there is no foraging, workers can live four to six months.
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12-14 weeks
Bumble bee.
Almost anything can kill a bumble bee.
The bumble bee queen lays eggs, but none of the other bumble bees in the colony do.
Just one summer season.
The size of a bumble bee ranges from 3/4 inch to 1 1/2 inch. A bumble bee is a bee that is covered in an apparent fuzz.
Bumble bee.
Bumble bee is a camaro
6 months
A bumble bee is an insect.
The bumble fee is in the Apidae family. The order of the bumble bee is Hymenoptera.
Almost anything can kill a bumble bee.
The bumble bee queen lays eggs, but none of the other bumble bees in the colony do.
Just one summer season.
Bumble Bee Foods was created in 1910.
Yes the autobot bumble bee is an autobot scout.
How does a bumble bee's respitory system work
"Worker Bee" by Motion City Soundtrack. It's on their new album, "My dinosaur life"