step 3.1 Variety description
He has an initial deal with and you can language length according to really most other bumble bees. The newest upperside off most of the newest abdomen is actually black, but there’s exclusive, wider gang of golden yellow tresses across the avenues 2 and you may step three (Profile step one). Sector 5 was black or pale yellow-brownish.
The fresh new guys is similar inside the the colour to your female, even though they often have way more red-colored hairs to the deal with. He or she is intermediate in dimensions anywhere between queens and you can gurus, and also have relatively small antennae (COSEWIC 2015). To learn more about morphology, see Williams mais aussi al. (2014).
The newest Yellow-banded Bumble bee is actually formerly believed conspecific towards the Western Bumble Bee ( Bombus occidentalis) but Bertsch ainsi que al. (2010) and you will Williams mais aussi al. (2012) said mitochondrial CO1 sequences well enough divergent to take on the two ) found consistent morphological and you can molecular characters help several distinct types.
Contour 1. Queen Yellow-banded Bumble-bee to the willow, Ontario. T2 and you may T3: Intestinal tergites 2 and you can step three. Photo: Sarah Johnson. Used in combination with consent.
Figure 1 illustrates a picture of a virtually-up out-of a king yellow-banded Bumblebee towards the willow, Ontario. It implies that this new gut of the Red-colored-banded Bumblebee was black colored and there is a broad gang of golden-yellow all over their markets dos and you may 3 that have segments 5 being black. Read more