Brand new Purple-banded Bumble-bee are a method-sized bumble bee, with queens, reproductive guys, and a smaller staff member caste

step 3.step 1 Types breakdown

He has a short face and you will tongue duration relative to most other bumble bees. The fresh new upperside out of the majority of brand new instinct are black colored, but there’s an original, wider band of golden-yellow locks round the avenues 2 and you can 3 (Shape 1). Segment 5 is black or pale yellow-brown.

The latest men is similar within the the color on women, while they often have a whole lot more yellow hairs to your deal with. He’s advanced in proportions ranging from queens and pros, and have now apparently brief antennae (COSEWIC 2015). For additional information on morphology, discover Williams ainsi que al. (2014).

The fresh new Yellow-banded Bumble-bee try Bolivien les filles sont belles formerly noticed conspecific with the Western Bumble Bee ( Bombus occidentalis) however, Bertsch et al. (2010) and you will Williams ainsi que al. (2012) said mitochondrial CO1 sequences good enough divergent to take on the two ) receive uniform morphological and molecular characters supporting a few type of varieties.

Figure step 1. King Red-banded Bumble bee on the willow, Ontario. T2 and you can T3: Intestinal tergites dos and you may 3. Photo: Sarah Johnson. Combined with consent.

Figure 1 depicts an image of a close-up away from a king red-colored-banded Bumblebee on the willow, Ontario. They means that brand new abdomen of your Yellow-banded Bumblebee is actually black colored and there’s a general group of golden yellow round the the places 2 and step 3 with avenues 5 being black colored.

step three.dos Variety society and you can shipment

The new Red-banded Bumble-bee occurs just in the North america. They ranges away from Georgia northern to Labrador, and you can western from the northern United states and you will Canada to help you Montana, United kingdom Columbia (BC), the fresh Northwest Areas (NT), and southeastern Yukon (YT) (Profile 2). Their northern maximum more or less employs latitudinal treeline. Prior to information regarding Alaska (elizabeth.grams., because shown during the COSEWIC (2015)) have already been reassessed, and Purple-banded Bumble-bee no longer is reported to be section of one to state’s fauna (Sikes and you may Rykken 2020). Approximately fifty-60% of their all over the world variety is within Canada (COSEWIC 2015).

area but Nunavut (NU) (COSEWIC 2015), although it might occur on unsurveyed southwest spot of that region (Shape dos). On the YT it is absent to the west of the Mackenzie Hills, but it ranges widely towards the main element of BC (COSEWIC 2015).

Contour dos. All over the world variety of Purple-banded Bumble bee. Findings (museum specimens and you will images verified inside the iNaturalist (2020) and you can Bumble-bee View (2019)) given that 2009 try portrayed from the navy blue dots. North limit out-of assortment uncertain, particularly in main Canada. Research of L. Richardson and you may S. Cannings, map from the B. Fournier (Bodies out-of Northwest Regions). Dataset isn’t complete; certain specimens (elizabeth.grams. those in Prescott ainsi que al. 2019) weren’t incorporated because the research are obtained once .

Shape 2 shows the global directory of the new Yellow-banded Bumblebee. The number runs out of Georgia north in order to Labrador and you may western compliment of the newest north United states and you can Canada so you’re able to Montana, Uk Colombia additionally the Northwest Areas. It happens in just about any Canadian state and region except Nunavut. New observations of your types between 1824 and you will 2008 was showed that have white dots together with findings of varieties ranging from 2009 and you will 2019 is demonstrated that have navy blue dots.

The brand new Reddish-banded Bumble-bee was previously probably one of the most well-known bumble bees of east and you will boreal Canada but their abundance southern area out of the boreal regions started initially to reduction in the early 1990’s. Development study are incomplete, however the most readily useful offered investigation put reveals relative abundance (Yellow-banded Bumble-bee according to the bumble bees) during the 10 local web sites all over southern area (sub-boreal) Canada (out-of 100 Kilometer Home, BC, and you may Edmonton eastern due to Ottawa and Montreal towards Atlantic Provinces) -2013 (Table 2 within the COSEWIC 2015). Generally, the fresh new Red-colored-banded Bumble-bee enjoys handled its broad range despite the refuses; usually the one Canadian exception to this rule tends to be significant southwestern Ontario (i.elizabeth. south and you can west of Kitchener-Waterloo), the spot where the species are constantly uncommon and you can few or no keeps become discovered since the 2004 (Colla and you can Dumesh 2010; COSEWIC 2015, iNaturalist 2020).

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Brand new Purple-banded Bumble-bee are a method-sized bumble bee, with queens, reproductive guys, and a smaller staff member caste

step 3.step 1 Types breakdown

step three.dos Variety society and you can shipment

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