North American Bumblebees, 1, 2

Related pages N. American cuckoo bumblebees - Is it a bumblebee? - Looks like a bumblebee - Other bees1, 2

There are 46 species of bumblebee in north America. The body lengths are in millimetres and do not include the antennae. The tongue lengths are given when known as this will help in ID as a short tongued bee cannot reach the nectar of a long corolla flower unless it is nectar robbing, and a long tongued bee can forage from any flower, but will usually show a preference for complicated or long corolla flowers. For more on this see the tongue page. And the behaviour page.

Bombus fraternus
Bombus fraternus
Range: New Jersey down to Florida, North and South Dakota, Nebraska, Colorado and New Mexico. Found in grasslands and gardens. Nests underground.
Sadly this bumblebee is now listed as endangered.
Body length in mm, queen 25 - 27, worker 15 - 19, male 22 - 25. Hair short and velvety.

Bombus crotchii
Bombus crotchiiBombus crotchii
Range: California and Mexico, it is usually found in open grassland and scrub.
This species has a short tongue. its hair is short and even, and it nests underground. Body lengths in millimetres, queen 22 - 25, worker 12 - 20, male 14 - 19.

Bombus nevadaensis auricomus
Bombus nevadensis auricomus
Note: sometimes just called Bombus auricomus.
Range
: Ontario to Florida, west to Texas, Oklahoma, West Virginia, Colorado, Wyoming, Montana, Saskatchewan, Alberta, British Columbia. Found in open forests and fields.
Long tongued species, hair is short and even. Body lengths in mm, queen 22 - 26, worker 16 - 19, male 13 - 21. Nests are small and on the surface.

Bombus nevadensis nevadensis

Range: Alaska to California, Arizona, New Mexico east to Wisconsin, Mexico.
Long tongued species, hair is short and even. Body lengths in mm, queen 22 - 26, worker 16 - 19, male 13 - 21. Nests are small and on the surface.

Bombus morrisoni
Bombus morrisoni
Range: British Columbia to California, east to South Dakota, Nebraska, Colorado, New Mexico. Found on open, dry scrub.
Short-tongued, hair short and even. Body length in mm queen 22 -26, worker 12 - 22, male 15 - 20. Nests underground.

Bombus pennsylvanicus pennsylvanicus, Bombus pennsylvanicus sonorus
Bombus pennsylvanicus pennsylvanicus Bombus pennsylvanicus sonorus
pennsylvanicus Range: Quebec, Ontario, Maryland south to Florida, west to Minnesota, S. Dakota, Nebraska, Colorado, New Mexico, Mexico
sonorus Range: Texas, west to California, Mexico
Found in open farmland and fields. Nests on the surface, but occasionally underground. Can be aggressive. Males gather around the nest entrance waiting for the new queens to emerge for mating.
B. sonorus is sometimes known as Bombus sonorus
Short-tongued, hair is short and even.. Body lengths in mm, queen 22- 26, worker 13 - 19, male 15 - 21.

Bombus griseocollis
Bombus grisecollis
Range: Quebec, Kentucky, Maryland, Pennsylvania, South Carolina, Virginia, West Virginia, south to Florida, west to British Columbia, Washington, Oregon, northern California. Found in open farmland, parks, gardens, wetlands.
Body length in millimetres, queen 18 - 23, worker 10 16, male 12 - 18. Hair is short and even. Short tongued. Nests underground or on the surface.

Bombus perplexus
Bombus perplexus
Range: Alaska to Maine, Maryland, New York, Pennsylvania, south to Wisconsin, Illinois, West Virginia, Florida, Alberta.
Body length, queen 18 - 20 mm, worker 11 - 14 mm, male 13 - 14 mm. Medium tongue length. Found in woods, woodland edges, parks, gardens, wetlands. Nests underground. Short colony life.

Bombus bimaculatus
Bombus bimaculatus
Range: Ontario, Maryland, New York, Pennsylvania, Maine, South Carolina, Virginia, West Virginia, south to Florida, west to Illinois, Kansas, Oklahoma, Mississippi, Kentucky.
Notes: A common species with a medium tongue length, long, uneven hair, nesting both below and above ground. Found in woods, parks and gardens. Body lengths, queen 18 - 22 mm, workers 10 - 16 mm, males 12 - 15 mm. .

Bombus impatiens
Bombus impatiens
Range: Ontario, Maine, Georgia, Kentucky, Maryland, New Jersey, New York, Pennsylvania, South Carolina, Virginia, West Virginia, south to Florida, west to Michigan, Illinois, Kansas, Missouri, Wyoming.
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Bombus affinis
Bombus affinus
Range: Quebec, Ontario south to Georgia, west to South Dakota and North Dakota.
Note: Also known as the rusty-patched bumblebee. Once common, but its range has declined sharply since 1990, now found in only a few areas. Found close to woodlands, parks and gardens. Often has a bald patch between the wings in the middle of the thorax. Body lengths in mm, queen 19 - 23, worker 9 - 16, male 14 - 17. Hair longish and even. Short tongued. Nests underground. Nectar robber.

Bombus vagans vagans
Bombus vagans vagans
Range: British Columbia east to Nova Scotia, Maryland, New York, Pennsylvania south to Georgia, West Virginia, Tennessee, South Dakota, Montana, Idaho, Washington. In forests, wetlands, parks and gardens.
Body lengths, queen 17 - 21mm, worker 11 - 14 mm, male 11 - 14 mm. Long tongued. Hair long. Nests usually, but not always, underground.

Bombus sandersoni
Bombus sandersoniBombus sandersoni
Range: Ontario to Newfoundland, south to Tennessee Virginia, West Virginia and North Carolina, in or near woodland. Nests underground. Medium length tongue, hair short and even. Body lengths, queen 15 - 17 mm, worker 10 - 14 mm, male 12 - 15.

Bombus frigidus
Bombus frigidus

Range: Alaska and Northwest territories, south to Colorado (high elevations only) in tundra, taiga and boreal forests. Nests above and below ground. Hair is long.Body lengths in mm, queen 17 -19, worker 8 - 11, male 10 - 15.

Bombus lucorum queen
{Bombus lucorum}
Range: Alaska south to Southern British Columbia and Alberta, east through Yukon and North Western Territories.
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Bombus ternarius
Bombus ternarius
Range: Yukon east to Nova Scotia, New York, Pennsylvania south to Georgia, Michigan, Kansas, Montana, British Columbia. In and around temperate and boreal forests and wetlands. Usually nests underground.
Medium tongue length. Hair short and even. Body lengths in mm, queen 17 - 19, worker 9 - 13, male 10 - 14.

Bombus terricola terricola
Bombus terricola terricola
Range: Nova Scotia to Florida, West to British Columbia, Montana, South Dakota. Found in temperate and boreal forests, and slightly higher in the Appalachians, into the tundra and taiga of Canada and western U. S. Usually found close to woodland and wetland.
Note: Also known as the yellow-banded bumblebee. Once common, but its range has declined dramatically since 1990. Body length in mm, queen 19 - 21, worker 10 - 15, male 13 - 15. Hair is short and even. Short tongued. Is a nectar robber.

Bombus terricola occidentalis
Bombus terricola occidentalis, Bombus occidentalis
Range: Alaska south to northern California, Nevada, Arizona, New Mexico, South Dakota. Found in open, grassy areas, parks, gardens, chaparral, mountain meadows and scrub.
Note: also known as Bombus occidentalis. Often forages from red flowers, and nectar robs hummingbird pollinated flowers. Populations have decreased since 1990. Body length in mm, queen 20 - 24, worker 9 - 15, male 12 - 16. Hair is short and even. Short tongued. Nests underground.

Bombus vandykei
Bombus vandykei
Range: Washington to southern California, in grassy prairies and meadows. Nests underground.
A medium to long-tongued species. Hair short, but shaggy and uneven. Body lengths, queens 14 - 18 mm, workers 10 - 14 mm, males 10 - 13 mm.

Bombus vosnesenskii
Bombus vosnesneskii
Range: British Columbia south to California, Nevada, Mexico. This bumblebee has a medium tongue length. Body lengths - queen 18 - 20 mm, worker 8 - 17 mm, male 10 - 15 mm.

Bombus californicus
Bombus californicus
Range: British Columbia, Alberta south to California, Arizona, New Mexico, Mexico

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