The fresh Red-banded Bumble-bee are a moderate-measurements of bumble-bee, with queens, reproductive guys, and you can a smaller sized worker caste

The fresh Red-banded Bumble-bee are a moderate-measurements of bumble-bee, with queens, reproductive guys, and you can a smaller sized worker caste

step 3.1 Varieties description

He has got an initial deal with and you will tongue size according to very other bumble bees. The fresh new upperside regarding a lot of the fresh abdomen was black, but there is an original, wide set of golden-yellow tresses across locations dos and step 3 (Contour 1). Phase 5 is black or pale yellow-brownish.

New men try comparable inside the the color into people, even though they normally have a lot more red-colored hairs to your face. He is intermediate in proportions ranging from queens and workers, and have apparently brief antennae (COSEWIC 2015). To learn more about morphology, pick Williams ainsi que al. (2014).

The Reddish-banded Bumble-bee is actually earlier considered conspecific to your West Bumble Bee ( Bombus occidentalis) however, Bertsch mais aussi al. (2010) and you may Williams mais aussi al. (2012) reported mitochondrial CO1 sequences well enough divergent to consider the 2 ) discover uniform morphological and you may molecular emails help one or two distinct types.

Profile step one. Queen Red-colored-banded Bumble bee on the willow, Ontario. T2 and T3: Abdominal tergites dos and you can step three. Photo: Sarah Johnson. Used in combination with permission.

Shape step one depicts a picture of a virtually-upwards off a queen yellow-banded Bumblebee into willow, Ontario. They implies that the new abdomen of your own Reddish-banded Bumblebee is black and there’s an over-all gang of golden yellow round the its avenues 2 and you will step three having segments 5 being black colored.

step 3.dos kissbrides.com regardez ce que j’ai trouv?© Species people and shipment

The Reddish-banded Bumble-bee takes place merely into the The united states. It ranges from Georgia northern to Labrador, and you can west from the northern Us and Canada so you’re able to Montana, Uk Columbia (BC), the brand new Northwest Territories (NT), together with southeastern Yukon (YT) (Contour 2). Their north maximum approximately uses latitudinal treeline. Prior to facts from Alaska (elizabeth.g., because the revealed into the COSEWIC (2015)) have-been reassessed, additionally the Purple-banded Bumble-bee no longer is said to be element of one to country’s fauna (Sikes and you can Rykken 2020). Everything 50-60% of its around the world variety is actually Canada (COSEWIC 2015).

area but Nunavut (NU) (COSEWIC 2015), though it may possibly occur regarding unsurveyed southwestern corner of the territory (Profile 2). Throughout the YT it’s missing to the west of brand new Mackenzie Slopes, nonetheless it selections widely into the main element of BC (COSEWIC 2015).

Contour 2. Worldwide list of Red-colored-banded Bumble bee. Observations (museum specimens and you will photos verified when you look at the iNaturalist (2020) and you may Bumble-bee Check out (2019)) because the 2009 was represented by the navy blue dots. Northern restriction off variety uncertain, especially in main Canada. Studies regarding L. Richardson and you will S. Cannings, map from the B. Fournier (Bodies away from Northwest Areas). Dataset isn’t full; some specimens (elizabeth.grams. those who work in Prescott ainsi que al. 2019) weren’t integrated as studies is actually obtained after .

Profile dos shows the global directory of the brand new Reddish-banded Bumblebee. The product range expands of Georgia northern so you can Labrador and western thanks to new north You and you can Canada so you can Montana, United kingdom Colombia while the Northwest Regions. It occurs in every Canadian province and you will area but Nunavut. New findings of kinds between 1824 and you will 2008 is actually demonstrated which have light dots as well as the observations of one’s species between 2009 and you can 2019 try displayed which have navy blue dots.

The new Yellow-banded Bumble-bee used to be perhaps one of the most preferred bumble bees regarding east and you may boreal Canada but the variety southern area out of the boreal places began to decrease in the early 1990s. Pattern research try incomplete, although most useful available analysis put reveals cousin wealth (Yellow-banded Bumble bee prior to most of the bumble bees) within 10 local internet sites around the southern (sub-boreal) Canada (from 100 Mile House, BC, and you may Edmonton east using Ottawa and you can Montreal for the Atlantic Provinces) -2013 (Dining table 2 within the COSEWIC 2015). Overall, the new Red-colored-banded Bumble-bee have maintained its broad range regardless of the refuses; usually the one Canadian exception to this rule is tall southwest Ontario (i.e. south and to the west of Kitchener-Waterloo), the spot where the species try usually unusual and couples or no provides come discover due to the fact 2004 (Colla and you can Dumesh 2010; COSEWIC 2015, iNaturalist 2020).

This entry was posted in Mail dans la dГ©finition de la mariГ©e. Bookmark the permalink.

Leave a Reply