The rusty patched bumble bee was protected under the Endangered Species Act in January 2017 after a petition from the Xerces Society followed by a lawsuit by NRDC. Conservation Rusty Patched Bumble Bee. Photo by Rich Hatfield (Xerces); The rusty patched bumble bee (Bombus affinis) on joe pye weed. This species visits sunflowers (Helianthus spp. 661 likes. The rusty patched-bumble bee (RPBB), Bombus affinis (Fig 1), is one of the 21 bumble bee species in the Eastern/Midwestern region out of 48 bumble bee species documented in the United States. Rusty-patched Bumble Bee Project. Population has fallen by around 90 per cent in 20 years The Rusty-patched Bumble Bee generally nests one to four feet (30 to 120 cm) below ground in abandoned rodent nests or other cavities (Jepsen et al. The summer of 2018 saw an encouraging number of sightings of Rusty-patched bumble bees in southeastern Wisconsin – encouraging because the Rusty-patched bumble bee is on the Federal Endangered Species list, and also because there seem to be a growing number of people who are aware of the bee and are looking for it. Queens are active from April through October. The film will be followed by a panel discussion to explore bumble bee and pollinator conservation with a multitude of perspectives from urban policy and pesticides to agricultural lands and natural areas management. The Rusty Patched Bumble Bee is a highly social species that lives in colonies consisting of a single queen, female workers, and males. It nests under the surface of the ground. Nests are usually underground, in old rodent burrows. They will often protect their cocoons and food cells with a wax roof in the nest which is supported by various other nesting materials. Endangered Pollinator: Rusty-patched Bumble Bee Rusty-patched Bumble Bee Project. Fish and Wildlife Service officially added the rusty patched bumble bee to the list of endangered species in 2017. 2013). Rusty-patched Bumble Bee, Bombus affinis Excerpted from Bumble Bees of Wisconsin This once common bumble bee is the first federally protected species of bumble bee, and first bee to be placed on the endangered species list. Federal regulators said Monday, Aug. 31, 2020, they won't designate critical habitat for the rusty patched bumblebee, the first bee species in the continental U.S. to be listed as endangered. The rusty patched bumble bee is a short-tongued species (Williams et al. It usually nests underground in abandoned rodent burrows. Rusty Patched Bumble Bee By Jay Watson NHC terrestrial invertebrate ecologist The rusty patched bumble bee (Bombus affinis) is one of 46 bumble bee species found in North America and one of 20 in Wisconsin. Historically, the range of the rusty-patched bumble bee covered much of northeast North America. Sven explains why and how you can … During the 2017 season, the Peggy Notebaert Nature Museum research team was excited to document a rusty patched bumble bee at one of their monitoring sites. New observations since last year. In partnership with Ecotrust, the Xerces Society is hosting the Portland premiere of A Ghost in the Making: Searching for the Rusty-Patched Bumble Bee. This bee was once commonly distributed throughout the east and upper Midwest of the United States, but has declined from an esti… In Canada, only three specimens were observed (one in 2005 and two in … Endangered Pollinator: Rusty-patched Bumble Bee The rusty-patched bumble bee is a short-tongued bee. This specimen was collected in 1915 in Sherborn, Massachusetts, by E.J. The Xerces Society and partners are hard at work on recovery – and your observations are helping! 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