Bumble Field ID

Master category for field identification of bumble bees in Washington state

Vancouver bumble bee, Bombus vancouverensis

Stop the presses! As of July 29, 2020 Washington state has a new bumble bee species. Genetic analysis has determined that the population of the Two form bumble bee, Bombus bifarius in British Columbia has been recognized as a new, separate species. This new species is the Vancouver bumble bee, Bombus vancouverensis. This includes the …

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High country bumble bee, Bombus kirbiellus/balteatus

As part of our quest to document all the bumble bee species found in Washington state the team of folks behind this website, David Jennings, Lisa Robinson and Don Rolfs established a state record for the High country bumble bee, Bombus kirbiellus. In the summer of 2018 David organized an expedition to one of Washington’s …

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Cuckoo bumble bees

What is a Cuckoo bumble bee? To paraphrase Bumble Bees and Cuckoo Bumble Bees of California by Thorp, Horning, Jr and Dunning: Cuckoo bumble bees are social parasites without worker castes which usurp bumble bee nests and propagate themselves at the expense of their bumble bee hosts. In other words, a queen cuckoo waits until …

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Washington's bumble bees

Bumble Bees of Washington State

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