Thomson, D.M. For instance, Cane and Tepedino (2016) calculate that during a single month an individual healthy honey bee colony can collect enough pollen that would otherwise produce 33,000 native bee progeny, thus reducing overall fecundity of native nesting bees in the area. Hafniae. Pengelly, C.J., and R.V. Annual Review of Entomology 49:271–298. 2014. Bee World81:80–86. Two of the parasite species involved in spillover to wild bumble bee, Crithidia bombi and Nosema bombi, have detrimental effects on colony-founding queens, foraging workers and entire nests (Brown et al. Systema entomologiae, sistens insectorum classes, ordines, genera, species, adiectis synonymis, locis, descriptionibus, observationibus. The Small Hive Beetle (Aethina tumida) can also be a destructive pest of bee colonies in North America, including bumble bees, causing damage to nests, comb, stored honey, and pollen (Ambrose et al. Miller, N.G. Tasei, J.N., G. Ripault, and E. Rivault. Hopkins. Indirect effects of fires would include immediate loss of floral resources, though this may be potentially beneficial for colonies in subsequent years, as this species prefers open habitats. 2016. McCann, V. Savage, T.D. Bees of the Eastern United States. American Bumble Bee produces males (and presumably new queens) earlier than most bumble bee species in southern Ontario (Pengelly 1953; Colla and Dumesh 2010). 2012), Vasseur et al. Hatfield, R., S. Jepsen, R. Thorp, L. Richardson, S. Colla, and S.F. Hughes. com. Vol. Kraus, F.B., S.Wolf, and R.F.A. Princeton University Press, Princeton, NJ. 2008. (2011) found higher prevalence (that is, 15.2%) of pathogens in American Bumble Bee than species considered stable (that is, not declining), suggesting that declines observed in the United States, and likely Canada, are likely linked to pathogens. Bumble bees typically fly during inclement weather conditions when other bees (for example, Frier et al. The species appears to be declining throughout its global range (Hatfield et al. To preserve sites for bumblebee nesting and overwintering, remember that any activities that disturb the soil surface or subsurface – tilling, burning, mowing, planting, grazing, etc. Click for a hub of Extension resources related to the current COVID-19 situation. The division of data into 30-year periods makes it difficult to show declines for American Bumble Bee. Patterns of parasite infection in bumble bees (Bombus spp.) Kerr. Nature 491:105–108. Web site: COSEWIC. 2015. Does pathogen spillover from commercially reared bumble bees threaten wild pollinators? In such cases, some restrictions on the use, reproduction or communication of such copyrighted work may apply and it may be necessary to seek permission from rights holders prior to use, reproduction or communication of these works. 2014). 2000, 2003; Otterstatter et al. 15 pp. North Carolina Agricultural Experiment Station Technical Bulletin 152:1–557. Williams, P.H., and J.L. The Canadian Entomologist 120:965–987. The adverse impacts of bumble bees introduced for commercial pollination on native species is unknown in Canada but has been documented elsewhere (Williams and Osborne 2009; Goulson 2003b). Within southern Ontario, dairy farming is more widespread than ranching. Hunt. It’s probably due to this relaxed attitude and the simple joy of saying the word “bumble” that these charming creatures have secured a place in our hearts as some of the world’s most loveable and interesting insects. These queens forage for pollen and nectar, and commence searching for suitable nest sites to begin their colonies. The hair on the head is overall dark. Ishii. Chart tracking the abundance of American Bumble Bees collected relative to other Bombus species collected within Canada by 10-year periods starting in pre-1946 until 2016. American Bumble Bee is a floral generalist, and adaptable to a diverse range of available flowering plants for pollen and nectar, but requires floral sources throughout the season.
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