step three.step one Species breakdown
He’s a short face and you can language length relative to extremely almost every other bumble bees. New upperside out of most of the newest instinct is actually black, but there’s a distinctive, broad group of golden yellow tresses across the markets dos and you can 3 (Contour step one). Section 5 was black or pale-yellow-brownish.
The latest men was equivalent from inside the along with toward people, despite the fact that often have a lot more reddish hairs on deal with. They are intermediate sizes anywhere between queens and gurus, and possess apparently quick antennae (COSEWIC 2015). For more information on morphology, get a hold of Williams mais aussi al. (2014).
New Red-banded Bumble bee was formerly believed conspecific into West Bumble Bee ( Bombus occidentalis) but Bertsch ainsi que al. (2010) and you may Williams ainsi que al. (2012) stated mitochondrial CO1 sequences good enough divergent to look at the 2 ) receive uniform morphological and unit emails support one or two type of species.
Shape step 1. King Red-banded Bumble bee into willow, Ontario. T2 and T3: Intestinal tergites dos and 3. Photo: Sarah Johnson. Combined with permission.
Figure 1 illustrates an image of a virtually-up of a queen purple-banded Bumblebee to your willow, Ontario. It shows that brand new instinct of one’s Yellow-banded Bumblebee try black and there’s a general band of golden-yellow round the the avenues 2 and you can step three which have areas 5 are black colored.
step three.2 Kinds population and you can shipping
The fresh new Purple-banded Bumble-bee takes place simply into the United states. They ranges away from Georgia north to Labrador, and west from the northern United states and you can Canada so you can Montana, British Columbia (BC), new Northwest Territories (NT), together with southeastern Yukon (YT) (Contour 2). The Red-banded Bumble bee is actually a method-sized bumble bee, having queens, reproductive men, and you will a smaller sized staff member caste weiterlesen
