Bequaert, J. 1920. Hymenoptera gathered close Boston, Bulk., with dysfunction from a number of Bombus affinis . Psyche 27:6 to 12.

Macfarlane, Roentgen.P. 1974. Ecology out of Bombinae (Hymenoptera: Apidae) off Southern area Ontario, that have emphasis on its natural enemies and you can relationships that have plants. Ph.D. Thesis, University off Guelph, Guelph, Ontario.

Medler, J. T. and you will D. W. Carney. 1963. Bumblebees off Wisconsin (Hymenoptera: Apidae). Lookup Bulletin, University out-of Wisconsin, Agricultural Check out Route 240:step one to 47.

The likelihood is the primary pollinator for almost all ecologically and you may economically essential flowers (along with fruit, raspberry, lilac, honeysuckle, hawthorn, nightshade, clover, milkweed, goldenrod, and aster) (COSEWIC 2010)

Mitchell, T.B. 1962. Bees of your own East Us. Vol. II. Vermont Agricultural Try out Channel Technology Bulletin 152:1 to help you 557.

Ne’eman, Grams., R. Ne’eman, and Good.Yards. Ellison. 2006. Limits to help you reproductive success of Sarracenia purpurea (Sarraceniaceae). American Journal off Botany to 1666.

Springtime emergence and you may floral hosts of Wisconsin bumblebees

Stiles, Age.W. 1977. Foraging behavior away from bumblebees ( Bombus impatiens , Bombus vagans , Bombus affinis ) toward not true foxglove ( Aureolaria pedicularia ). Record of your own Ny Entomological People so you can 252.

A proper environmental investigations (SEA) is completed with the most of the SARA recovery thought records, according to the Closet Directive toward Environment Evaluation regarding Plan, Package and you will System Proposals. The intention of a sea will be to use ecological considerations on the development of personal regulations, arrangements, and system proposals to help with ecologically sound decision-making also to glance at whether or not the aftereffects of a recovery planning file can impact any element of environmental surroundings or all Government Alternative Invention Strategy’s (FSDS) needs and you may goals. Read More >