Bombus rufocinctus - Cresson, 1863
Red-belted Bumble Bee
Synonym(s): Bombus (Cullumanobombus) rufocinctus Cresson, 1863
Taxonomic Status: Accepted
Related ITIS Name(s): Bombus rufocinctus Cresson, 1863 (TSN 714833)
French Common Names: bourdon à ceinture rousse
Unique Identifier: ELEMENT_GLOBAL.2.118023
Element Code: IIHYM24190
Informal Taxonomy: Animals, Invertebrates - Insects - Bumble Bees
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Insecta Hymenoptera Apidae Bombus
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Concept Reference
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Concept Reference: Williams, P. H. 2008a. Bombus, bumblebees of the world. Web pages based on Williams, P.H. 1998. An annotated checklist of bumblebees with an analysis of patterns of description (Hymenoptera: Apidae, Bombini). Bulletin of the Natural History Museum (Entomology) 67:79-152. Online. Available: http://www.nhm.ac.uk/research-curation/research/projects/bombus/index.html. Accessed 2008-Oct.
Concept Reference Code: W08WIL01EHUS
Name Used in Concept Reference: Bombus (Cullumanobombus) rufocinctus
Taxonomic Comments: Subgenus: Cullumanobombus.
Conservation Status
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NatureServe Status

Global Status: G4G5
Global Status Last Reviewed: 14Sep2009
Global Status Last Changed: 14Sep2009
Rounded Global Status: G4 - Apparently Secure
Reasons: This species is a relatively widespread northern and western bumble bee that is not reported by any recent sources to be declining widely. While it seems to have disappeared around San Franciso, it appears to be increasing in some places. It is also not a member of any subgenus in which declines have been reported or documented. It is secure for now but, like most bumblebees, its status should be monitored.
Nation: United States
National Status: N4N5 (21Jun2010)
Nation: Canada
National Status: N5 (22Jun2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Arizona (SNR), California (SNR), Colorado (SNR), Idaho (S5), Illinois (SNR), Maine (S4S5), Massachusetts (SNR), Michigan (SNR), Minnesota (SNR), Montana (SNR), Nebraska (SNR), Nevada (SNR), New Hampshire (SNR), New York (S3S4), Utah (SNR), Vermont (S3S4), Washington (S4?), Wisconsin (S4), Wyoming (SNR)
Canada Alberta (S5), British Columbia (S5), Labrador (SU), Manitoba (S5), New Brunswick (S4S5), Newfoundland Island (SU), Nova Scotia (S4S5), Ontario (S4), Prince Edward Island (S4S5), Quebec (SNR), Saskatchewan (S5), Yukon Territory (SU)

Other Statuses

IUCN Red List Category: LC - Least concern

NatureServe Global Conservation Status Factors

Range Extent: >2,500,000 square km (greater than 1,000,000 square miles)
Range Extent Comments: Mitchell (1962) gives the range as Pacific coast to Michigan, Maine and Quebec, so apparently this is a rather northern species at least eastward. The Bumblebee.org site gives a very similar eastern range and indicates the species to be very widespread (south to Arizona) in the west (www.bumblebee.org). Schmidt and Jacobson (2005) confirm the species as widespread, mostly above 2500 meters, in northern Arizona.

Number of Occurrences: > 300

Number of Occurrences with Good Viability/Integrity: Unknown

Overall Threat Impact: Low
Overall Threat Impact Comments: No recent studies suggest this species to be threatened on a large scale. At a more localized scale habitat changes, pesticides etc. can have a negative impact. The decline around San Francisco might be relate in part to competition from B. vosnesenskii.

Short-term Trend: Relatively Stable (<=10% change)
Short-term Trend Comments: No recent sources report this species to be in serious range-wide decline, and Colla and Packer (2008) report a slight, but statistically significant, increase recently in southern Ontario. See also Williams et al. (2009). It possibly has also increased in northern Illinois, which would be at the southern edge of the eastern range (Grixti et al., 2009). Tuell et al. (2008) also had this species in their samples in Michigan. McFrederick and LeBuhn (2005)were unable to detect this recently common species in the San Francisco area.

Long-term Trend: Decline of 50-70%
Long-term Trend Comments: Obviously some habitat loss.

Intrinsic Vulnerability: Moderately vulnerable
Intrinsic Vulnerability Comments: Queens of this species begin activity later in the season than most others (Grixti et al., 2009), a trait that is shown by Williams et al. (2009) to predispose bumblebees to declines in various parts of the world.

Environmental Specificity: Broad. Generalist or community with all key requirements common.

Other NatureServe Conservation Status Information

Distribution
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Global Range: (>2,500,000 square km (greater than 1,000,000 square miles)) Mitchell (1962) gives the range as Pacific coast to Michigan, Maine and Quebec, so apparently this is a rather northern species at least eastward. The Bumblebee.org site gives a very similar eastern range and indicates the species to be very widespread (south to Arizona) in the west (www.bumblebee.org). Schmidt and Jacobson (2005) confirm the species as widespread, mostly above 2500 meters, in northern Arizona.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map
Endemism: occurs (regularly, as a native taxon) in multiple nations

U.S. & Canada State/Province Distribution
United States AZ, CA, CO, ID, IL, MA, ME, MI, MN, MT, NE, NH, NV, NY, UT, VT, WA, WI, WY
Canada AB, BC, LB, MB, NB, NF, NS, ON, PE, QC, SK, YT

Range Map
No map available.

Ecology & Life History Not yet assessed
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Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 14Sep2009
NatureServe Conservation Status Factors Author: Schweitzer, D.F.; Capuano, N.A.

Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

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