These are social parasites, laying their eggs in the nests of other bumble bee species who then feed their offspring. So they don't make their own nests or collect pollen, though they do take nectar from flowers for their own needs. They also don't have workers, only male and female reproductives.
1 June 2024, Bombus insularis
VIDEO
Links
iNaturalist Wikipedia BugGuide Concern for cuckoo bumblebees
sg_idstdClass Object
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These are social parasites, laying their eggs in the nests of other bumble bee species who then feed their offspring. So they don't make their own nests or collect pollen, though they do take nectar from flowers for their own needs. They also don't have workers, only male and female reproductives.
1 June 2024, Bombus insularis
VIDEO
Links
iNaturalist Wikipedia BugGuide Concern for cuckoo bumblebees
)
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Bombus flavidus flavidus
Bombus insularis
Taxonomy Subclass:
Pterygota (Winged and Once-winged Insects)
Suborder:
Apocrita (Narrow-waisted Wasps, Ants, and Bees)
Infraorder:
Aculeata (Ants, Bees, and Stinging Wasps)
Superfamily:
Apoidea (Bees and Apoid Wasps)
Family:
Apidae (Honey Bees, Bumble Bees, and Allies)
Subfamily:
Apinae (Apine Bees)
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