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Bumblebees only store enough honey for a few days. [4] By monitoring the levels of the honey pots a bumblebee colony can either up or down regulate the number of bees out foraging. [ 3 ] Lab experiments by Anna Dornhaus and Lars Chittka in 2005 showed evidence of this up or down regulation by monitoring the activity level of the hive after the ...
Bombus sylvestris, known as the forest cuckoo bumblebee [3] or four-coloured cuckoo bee, [4] is a species of cuckoo bumblebee, found in most of Europe and Russia. [5] Its main hosts are Bombus pratorum, Bombus jonellus, and Bombus monticola. [6] As a cuckoo bumblebee, Bombus sylvestris lays its eggs in another bumblebee's nest. This type of bee ...
Queen bumblebees will first undergo a solitary phase where they take care of the first-generation brood, after this phase there is a cooperative eusocial phase where this division of labor begins. [8] Most bumblebee species only have one queen per colony and this queen is often monandrous, meaning she will only mate once. [8]
The two-spotted bumble bee (Bombus bimaculatus) is a species of social bumble bee found in the eastern half of the United States and the adjacent south-eastern part of Canada. In older literature this bee is often referred to as Bremus bimaculatus , Bremus being a synonym for Bombus . [ 3 ]
Bombus transversalis is a bumblebee specifically native to the Amazon Basin. [2] [3] [4] It is most notable for its surface-level colonies which are built by the workers on the rainforest floor. Unlike its relatives, B. transversalis is able to thrive in a humid climate and fend off a wide range of predators because of its resilient nests.
Bombus terricola, the yellow-banded bumble bee, is a species of bee in the genus Bombus. It is native to southern Canada and the east and midwest of the United States. It possesses complex behavioral traits, such as the ability to adapt to a queenless nest, choose which flower to visit, and regulate its temperature to fly during cold weather.
The bilberry bumblebee is rather small and compact, with a broad head and a short tongue. The queens have an average length of 16 mm (0.63 in), and a wingspan of 32 mm (1.3 in). [ 4 ] The corresponding lengths of the other castes are 12 mm (0.47 in) (worker) and 14 mm (0.55 in) (male). [ 5 ]
Bombus impatiens, the common eastern bumblebee, is the most commonly encountered bumblebee across much of eastern North America. [3] They can be found in the Eastern temperate forest region of the eastern United States , southern Canada , and the eastern Great Plains . [ 4 ]