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Bombus flavifrons

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Kingdom  Animalia
Class  Insecta
Family  Apidae
Rank  Species
Phylum  Arthropoda
Order  Hymenoptera
Genus  Bombus

Similar  Bombus insularis, Bombus bifarius, Bombus fernaldae, Bombus frigidus, Bombus mixtus

Bombus flavifrons, the yellow-fronted bumble bee or yellowhead bumblebee, is a species of bumblebee. It is native to North America, where it is distributed across much of Canada, Alaska, and the western contiguous United States.


Bombus flavifrons Bombus flavifrons Bombus flavifrons BugGuideNet


Bombus flavifrons Yellow amp orange bumblebee Bombus flavifrons BugGuideNet

This is a robust bumblebee; the queen has a body length between 13 and 16 mm (0.51 and 0.63 in) and a wingspan of 27 to 34 mm (1.1 to 1.3 in), the male is 11 to 12 mm (0.43 to 0.47 in) in length with a wingspan of 25 to 26 mm (0.98 to 1.02 in), and the workers are 9 to 12 mm (0.35 to 0.47 in) in length and 19 to 27 mm (0.75 to 1.06 in) in wingspan.

Bombus flavifrons Bombus centralis or flavifrons Bombus flavifrons BugGuideNet

The yellow-fronted bumble bee has a dense, untidy fur. The head is yellow with black hairs intermixed on the posterior part, the thorax has a mixed black and yellow colouration, often (always with the queen) with a black, central field. The first two terga (abdominal segments) are yellow, on the females often with a black, central field on terga 1 to 2. Terga 3 and 4 are red, and the tail black, sometimes with yellow fields.


Subspecies include:

  • B. f. dimidiatus — with the red fur more or less entirely replaced with black
  • B. f. flavifrons
  • Ecology

    Bombus flavifrons Bombus flavifrons Discover Life

    The queen emerges from her hibernation at the end of March and often builds a nest in a disused mouse nest. The first workers appear about a month later. The nest declines at the end of August, and all the inhabitants die, except for the new queens, which hibernate in the earth. The bumblebee feeds on several flowering plants, most commonly those in Asteraceae, Fabaceae, Saxifragaceae, and Lamiaceae.

    This species is host to the parasitic cuckoo bumblebee Bombus insularis.

    Bombus flavifrons Bombus flavifrons Discover Life

    This bee occurs at high altitude and latitude, living in habitat such as tundra, taiga, and mountain forests and meadows.

    Bombus flavifrons Bombus flavifrons image


    Bombus flavifrons Wikipedia

    Similar Topics
    Bombus bifarius
    Bombus fernaldae
    Bombus frigidus