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Bees in four tribes of the family Apidae, subfamily Apinae have corbiculae: the honey bees, bumblebees, stingless bees, and orchid bees. [14] [15] The corbicula is a polished cavity surrounded by a fringe of hairs, into which the bee collects the pollen; most other bees possess a structure called the scopa, which is similar in function, but is a dense mass of branched hairs into which pollen ...
A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus Bombus, part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera (e.g., Calyptapis) are known from fossils.
The Bombus sylvestris cuckoo female bee cannot collect pollen for her nest because it lacks corbicula, which are pollen baskets found on bumblebees on the hind legs. However, the Forest cuckoo bee does eat pollen like regular social bumblebees because the pollen helps in ovary maturation in fertilized females. [15]
One that has been mapping Wisconsin's bumble bee population since 2017 is the Wisconsin Bumble Bee Brigade. A more recent one focuses on monitoring the endangered Karner blue butterflies in the state.
Additionally, bumble bees perform "buzz pollination". This behavior is displayed when a bumble bee grabs the pollen-producing structure of the flower in her jaws and vibrates her wing musculature, causing vibrations that dislodge pollen that would have otherwise remained trapped in the flower's anthers. [9]
Franklin's bumblebee (Bombus franklini) is one of the most narrowly distributed bumblebee species, [3] making it a critically endangered bee of the western United States. [4] It lives only in a 190-by-70-mile (310 by 110 km) area in southern Oregon and northern California, between the Coast and Sierra-Cascade mountain ranges. It was last seen ...
B. terrestris are pollen-storing bees that generally feed and forage on nectar and pollen. [4] The queen is between 20 and 22 mm long, males range from 14 to 16 mm, and workers from 11 to 17 mm. Workers have white-ended abdomens, and look just like workers of the white-tailed bumblebee, B. lucorum , a close relative, apart from the yellowish ...
Historically, Bombus occidentalis, the so-called "western bumble bee" was the most common species, with a distribution all the way from California to British Columbia and Alaska, but diseases introduced by commercial rearing operations in the eastern United States brought coastal populations of B. occidentallis to the brink of extinction, and B ...