He’s got a preliminary face and language size in accordance with extremely most other bumble bees. The latest upperside off a lot of new gut are black, but there’s an original, broad number of golden-yellow hair around the areas dos and step three (Figure step 1). Segment 5 is black colored or pale-yellow-brownish.
This new men is similar in colour on the female, while they often have way more red hairs on the face. They are advanced sizes anywhere between queens and you may professionals, and now have seemingly small antennae (COSEWIC 2015). More resources for morphology, find Williams mais aussi al. (2014).
The fresh new Purple-banded Bumble-bee try previously felt conspecific on Western Bumble Bee ( Bombus occidentalis) however, Bertsch ainsi que al. (2010) and you can Williams ainsi que al. (2012) advertised mitochondrial CO1 sequences good enough divergent to look at both ) discover consistent morphological and you may unit letters support two line of varieties.
Figure step one. King Red-banded Bumble bee into the willow, Ontario. T2 and you may T3: Intestinal tergites dos and you will step three. Photo: Sarah Johnson. Used in combination with consent.
Shape step one depicts a picture of a near-up regarding a king red-colored-banded Bumblebee for the willow, Ontario. They means that the new gut of Reddish-banded Bumblebee is actually black and there’s a standard set of golden-yellow round the its markets 2 and you will 3 with places 5 becoming black.
The brand new Red-banded Bumble bee happens just during the The united states. They ranges from Georgia north so you’re able to Labrador, and west from the northern Us and you may Canada so you can Montana, Uk Columbia (BC), the latest Northwest Areas (NT), additionally the southeastern Yukon (YT) (Shape https://brightwomen.net/fr/femmes-turques/ dos). The north restrict more or less observe latitudinal treeline. Prior to suggestions out-of Alaska (elizabeth.g., because revealed from inside the COSEWIC (2015)) happen reassessed, together with Yellow-banded Bumble bee has stopped being said to be part of one nation’s fauna (Sikes and you can Rykken 2020). Whenever 50-60% of the in the world assortment is within Canada (COSEWIC 2015).
territory but Nunavut (NU) (COSEWIC 2015), though it could happen in the unsurveyed southwestern place of these region (Shape dos). Regarding YT it’s absent west of new Mackenzie Mountains, however it ranges widely to your central part of BC (COSEWIC 2015).
Figure 2. All over the world set of Red-colored-banded Bumble-bee. Observations (museum specimens and photo verified in the iNaturalist (2020) and you will Bumble bee Watch (2019)) due to the fact 2009 is actually portrayed by the dark blue dots. Northern restriction of range not sure, especially in central Canada. Research of L. Richardson and you may S. Cannings, chart of the B. Fournier (Bodies off Northwest Regions). Dataset isn’t full; some specimens (e.g. those who work in Prescott mais aussi al. 2019) were not provided because study try received once .
Figure 2 reveals the global list of the latest Purple-banded Bumblebee. The number extends from Georgia northern to help you Labrador and you can west because of the brand new north Us and Canada so you can Montana, British Colombia and the Northwest Areas. It happens in virtually any Canadian state and territory but Nunavut. The new findings of the varieties between 1824 and you may 2008 are displayed with light dots and also the observations of your types between 2009 and you may 2019 try demonstrated with navy blue dots.
The latest Purple-banded Bumble bee had previously been one of the most prominent bumble bees off east and you may boreal Canada however, its wealth southern of brand new boreal places started initially to decrease in the first 1990s. Pattern research was incomplete, nevertheless best offered analysis set shows cousin abundance (Yellow-banded Bumble bee in line with the bumble bees) from the ten local internet sites across south (sub-boreal) Canada (from 100 Kilometer Family, BC, and you may Edmonton eastern through Ottawa and you may Montreal towards Atlantic Provinces) -2013 (Dining table 2 inside the COSEWIC 2015). In general, the newest Purple-banded Bumble bee keeps was able its wide range despite the refuses; the main one Canadian difference tends to be high southwestern Ontario (we.e. southern area and you can west of Kitchener-Waterloo), the spot where the variety is actually usually strange and you may partners if any have been found because the 2004 (Colla and Dumesh 2010; COSEWIC 2015, iNaturalist 2020).
