The latest Reddish-banded Bumble bee is actually an average-sized bumble bee, that have queens, reproductive men, and you may an inferior staff caste

The latest Reddish-banded Bumble bee is actually an average-sized bumble bee, that have queens, reproductive men, and you may an inferior staff caste

step 3.step 1 Types description

He’s got a preliminary deal with and you will tongue length in accordance with most other bumble bees. The brand new upperside off a lot of the fresh gut are black colored, but there’s a unique, wider group of golden yellow locks across the segments 2 site web and 3 (Profile step 1). Portion 5 is black otherwise pale-yellow-brownish.

The new men try comparable inside the the colour into the people, although they normally have a whole lot more red hairs towards deal with. He could be advanced in size ranging from queens and you will gurus, and just have relatively brief antennae (COSEWIC 2015). More resources for morphology, come across Williams mais aussi al. (2014).

This new Red-colored-banded Bumble-bee is previously considered conspecific toward Western Bumble Bee ( Bombus occidentalis) but Bertsch mais aussi al. (2010) and Williams ainsi que al. (2012) said mitochondrial CO1 sequences sufficiently divergent to look at the 2 ) found consistent morphological and you can unit letters help one or two distinctive line of species.

Figure step 1. King Red-colored-banded Bumble bee to the willow, Ontario. T2 and T3: Abdominal tergites 2 and you may 3. Photo: Sarah Johnson. Used with consent.

Figure 1 illustrates an image of a near-up out of a queen red-colored-banded Bumblebee toward willow, Ontario. They shows that the instinct of your own Purple-banded Bumblebee is black colored as there are a general group of golden-yellow across the locations 2 and you will 3 having places 5 being black colored.

step three.dos Varieties population and you will shipping

The latest Purple-banded Bumble-bee happen just inside America. It ranges away from Georgia northern to Labrador, and you may western from the northern Us and Canada so you can Montana, United kingdom Columbia (BC), the latest Northwest Areas (NT), additionally the southeastern Yukon (YT) (Shape dos). Its north limitation roughly uses latitudinal treeline. Earlier facts from Alaska (age.g., because the shown inside COSEWIC (2015)) currently reassessed, and Red-banded Bumble bee is no longer considered to be element of one to state’s fauna (Sikes and you will Rykken 2020). Just as much as 50-60% of the globally diversity is actually Canada (COSEWIC 2015).

region but Nunavut (NU) (COSEWIC 2015), although it might occur regarding the unsurveyed southwest place of the area (Profile dos). Throughout the YT it’s missing west of the brand new Mackenzie Slopes, nevertheless ranges commonly to your central element of BC (COSEWIC 2015).

Contour 2. In the world set of Red-colored-banded Bumble-bee. Observations (art gallery specimens and pictures verified in the iNaturalist (2020) and you will Bumble bee Check out (2019)) once the 2009 was illustrated from the deep blue dots. North maximum regarding variety not sure, particularly in central Canada. Studies away from L. Richardson and you will S. Cannings, map from the B. Fournier (Government off Northwest Territories). Dataset isn’t full; specific specimens (e.grams. those in Prescott mais aussi al. 2019) weren’t incorporated as studies was received immediately after .

Contour dos reveals the worldwide range of the latest Yellow-banded Bumblebee. The product range expands away from Georgia north to Labrador and you will western owing to brand new north All of us and Canada so you can Montana, United kingdom Colombia and Northwest Territories. It occurs in just about any Canadian province and you can region except Nunavut. New observations of types between 1824 and you may 2008 is demonstrated having light dots and the observations of one’s species anywhere between 2009 and you may 2019 are presented that have deep blue dots.

The latest Yellow-banded Bumble bee used to be perhaps one of the most preferred bumble bees away from eastern and you can boreal Canada however, its wealth south of new boreal nations began to decline in early 90s. Trend investigation was imperfect, nevertheless top available study lay reveals cousin wealth (Yellow-banded Bumble bee in accordance with most of the bumble bees) within ten local web sites all over south (sub-boreal) Canada (from 100 Kilometer House, BC, and you will Edmonton eastern as a result of Ottawa and Montreal to your Atlantic Provinces) -2013 (Table dos into the COSEWIC 2015). Overall, the brand new Reddish-banded Bumble bee has actually managed their broad range inspite of the declines; one Canadian exclusion can be tall southwestern Ontario (we.age. southern area and to the west of Kitchener-Waterloo), in which the species was always uncommon and you will partners if any have already been found just like the 2004 (Colla and Dumesh 2010; COSEWIC 2015, iNaturalist 2020).

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