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Bombus occidentalis

Common names: ...

Taxonomy: Animalia > Arthropoda > Insecta > Hymenoptera > Apidae

Roles: pollinator

ITIS TSN: 714827

External: RMBL Collections · iNaturalist · iDigBio · GenBank

Papers: 51 | Mentions: 55

Local Knowledge Graph (Top 74 entities)

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Publications (51)

article

Herbivory and water availability interact to shape the adaptive landscape in the perennial forb, Boechera stricta

2025EvolutionRole: text_match

article

Nutrient niche dynamics among wild pollinators

2025Proceedings of the Royal Society B: Biological SciencesRole: text_match

student_paper

Observing the effects of a nectar-inhabiting bacterium, Pantoea sp., and nectar robbing on male fitness in Ipomopsis aggregata

2025Role: text_match

article

The hole truth: why do bumble bees rob flowers more than once?

2024PlantsRole: text_match

student_paper

Determining changes in floral volatile composition of Ipomopsis aggregata in response to nectar robbing and its associated microorganisms

2022Role: text_match

article

Ecological Drivers and Consequences of Bumble Bee Body Size Variation

2022Environmental Entomology Role: text_match

student_paper

Effects of nectar robbing on the volatile organic compounds and nectar chemistry of intraindividual flowers in Corydalis caseana ssp. brandegeei

2021Role: text_match

article

Co-occurring Species

Competition for nectar resources does not affect bee foraging tactic constancy

2020Ecological EntomologyRole: text_match

article

Temporal flexibility in the structure of plant–pollinator interaction networks

2020OikosRole: text_match

thesis

Floral reward strategies, visitor behavior, and plant reproductive outcomes

2019Role: text_match

article

Why are some plant-nectar robber interactions commensalisms?

2018OikosRole: text_match

student_paper

Consequences of Nectar Robbing in Colorado Wildflowers: Insect Variation and Nectar Sugar Concentration

2017Role: text_match

article

Facilitated exploitation of pollination mutualisms: fitness consequences for plants

2017Journal of EcologyRole: text_match

article

Foraging strategy predicts foraging economy in a facultative secondary nectar robber

2017OikosRole: text_match

student_paper

The effects of primary and secondary nectar robbing of Ipomopsis aggregata on hummingbird visitation.

2015Role: text_match

student_paper

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

2015Role: text_match

student_paper

The Impact of Primary and Secondary Robbing on Hummingbird Pollination.

2014Role: text_match

student_paper

Investigating the impact of pollinator- and seed predator-mediated selection on floral traits in an Ipomopsis aggregata and I. tenuituba (Polemoniaceae) hybrid zone

2012Role: text_match

article

When resources don't rescue: flowering phenology and species interactions affect compensation to herbivory in Ipomopsis aggregata

2012OikosRole: text_match

article

Additive effects of herbivory, nectar robbing and seed predation on male and female fitness components of the host plant Ipomopsis aggregata

2011OecologiaRole: text_match

student_paper

The effects of phenology on Delphinium nuttallianum

2011Role: text_match

student_paper

Effects of nectar robbing on pollen deposition and hummingbird-pollinator behavior in Ipomopsis aggregata

2009Role: text_match

article

Realized tolerance to nectar robbing: compensation to floral enemies in Ipomopsis aggregata

2009Annals of BotanyRole: text_match

student_paper

Climate Change is Causing A Decline in Bombus occidentalis by Reducing its Floral Resources

2008Role: text_match

article

Interactions between nectar robbers and seed predators mediated by a shared host plant, Ipomopsis aggregata

2008OecologiaRole: text_match

article

Mechanisms of tolerance to floral larceny in two animal-pollinated wildflowers, Polemonium viscosum and Ipomopsis aggregata

2008EcologyRole: text_match

thesis

Reciprocal benefits in a plant-pollinator mutualism

2008Role: text_match

article

Predicting the effects of nectar robbing on plant reproduction: implications of pollen limitation and plant mating system

2007American Journal of BotanyRole: text_match

thesis

Floral larceny: Implications, resistance, and the potential for tolerance

2006Role: pollinator

student_paper

Nectar robbing patterns in Ipomopsis aggregata and Linaria vulgaris

2006Role: text_match

article

Effects of nectar robbing on nectar dynamics and bumblebee foraging strategies in Linaria vulgaris

2005OikosRole: text_match

article

Interactions among nectar robbing, floral herbivory, and ant protection in Linaria vulgaris

2005OikosRole: text_match

student_paper

Nectar robbing in Ipomopsis aggregata: does high nectar production confer tolerance?

2005Role: text_match

article

Temporal and spatial variation in pollination of a montane herb: a seven-year study

2005EcologyRole: text_match

article

Temperature regulation in burying beetles (Nicrophorus spp.: Coleoptera: Silphidae): effects of body size, morphology and environmental temperature

2004The Journal of Experimental BiologyRole: text_match

article

The dual role of floral traits: pollinator attraction and plant defense

2004EcologyRole: text_match

thesis

The ecology of pollination and nectar robbing in Linaria vulgaris in the Colorado Rocky Mountains

2004TSpaceRole: pollinator

article

Impact of nectar robbing on estimates of pollen flow: conceptual predictions and emperical outcomes

2003EcologyRole: text_match

article

Rescue of stranded pollen grains by secondary transfer

2003Plant Species BiologyRole: text_match

student_paper

The effects of ungulate herbivory and nutrient variation on pollen reciept in Ipomopsis aggregata

2002Role: text_match

article

Variation in nectar robbing over time, space, and species

2002OecologiaRole: text_match

article

Volatile production by the buds and corollas of two sympatric, confamial plants, Ipomopsis aggregata and Polemonium foliosissimum

2002Journal of Chemical EcologyRole: text_match

article

The effects of a bumble bee nectar robber on plant reproductive success and pollinator behavior

2001American Journal of BotanyRole: text_match

article

The impact of floral larceny on individuals, populations, and communities

2001OecologiaRole: text_match

article

Are nectar robbers cheaters or mutualists?

2000EcologyRole: text_match

article

Consequences of nectar robbing for realized male function in a hummingbird-pollinated plant

2000EcologyRole: text_match

article

Reproductive biology of a North American subalpine plant: Corydalis caseana A. Gray ssp. brandegei (S. Watson) G. B. Ownbey

2000Plant Species BiologyRole: text_match

article

Nectar Robbing in Ipomopsis aggregata: Effects on Pollinator Behavior and Plant Fitness

1998OecologiaRole: text_match

article

Pollen transport and deposition by bumble bees in Erythronium: influences of floral nectar and bee grooming

1986Journal of EcologyRole: text_match

article

Floral morphology and cross-pollination in Erythronium grandiflorum (Liliaceae)

1985American Journal of BotanyRole: text_match

article

The pollination ecology of Aquilegia elegantula and A. caerulea (Ranunculaceae) in Colorado

1978American Journal of BotanyRole: text_match

Bombus occidentalis

Local Knowledge Graph (Top 74 entities)

Publications (51)

Herbivory and water availability interact to shape the adaptive landscape in the perennial forb, Boechera stricta

Nutrient niche dynamics among wild pollinators

Observing the effects of a nectar-inhabiting bacterium, Pantoea sp., and nectar robbing on male fitness in Ipomopsis aggregata

The hole truth: why do bumble bees rob flowers more than once?

Determining changes in floral volatile composition of <i> Ipomopsis aggregata </i> in response to nectar robbing and its associated microorganisms

Ecological Drivers and Consequences of Bumble Bee Body Size Variation

Effects of nectar robbing on the volatile organic compounds and nectar chemistry of intraindividual flowers in <i> Corydalis caseana </i> ssp. <i> brandegeei </i>

Co-occurring Species

Bombus

Bombus appositus

Hummingbird

B. appositus

Bombus terrestris

B. vosnesenskii

Bombus impatiens

Bombus vosnesenskii

B. rufocinctus

Ipomopsis

Competition for nectar resources does not affect bee foraging tactic constancy

Temporal flexibility in the structure of plant–pollinator interaction networks

Floral reward strategies, visitor behavior, and plant reproductive outcomes

Why are some plant-nectar robber interactions commensalisms?

Consequences of Nectar Robbing in Colorado Wildflowers: Insect Variation and Nectar Sugar Concentration

Facilitated exploitation of pollination mutualisms: fitness consequences for plants

Foraging strategy predicts foraging economy in a facultative secondary nectar robber

The effects of primary and secondary nectar robbing of Ipomopsis aggregata on hummingbird visitation.

Why doesn't nectar robbing decrease seed set in some bee-pollinated plants?

The Impact of Primary and Secondary Robbing on Hummingbird Pollination.

Investigating the impact of pollinator- and seed predator-mediated selection on floral traits in an <i>Ipomopsis aggregata</i> and <i>I. tenuituba</i> (Polemoniaceae) hybrid zone

When resources don't rescue: flowering phenology and species interactions affect compensation to herbivory in <i>Ipomopsis aggregata</i>

Additive effects of herbivory, nectar robbing and seed predation on male and female fitness components of the host plant <i>Ipomopsis aggregata</i>

The effects of phenology on <i>Delphinium nuttallianum</i>

Effects of nectar robbing on pollen deposition and hummingbird-pollinator behavior in <i>Ipomopsis aggregata</i>

Realized tolerance to nectar robbing: compensation to floral enemies in <i>Ipomopsis aggregata</i>

Climate Change is Causing A Decline in Bombus occidentalis by Reducing its Floral Resources

Interactions between nectar robbers and seed predators mediated by a shared host plant, <i>Ipomopsis aggregata</i>

Mechanisms of tolerance to floral larceny in two animal-pollinated wildflowers, <i>Polemonium viscosum</i> and <i>Ipomopsis aggregata</i>

Reciprocal benefits in a plant-pollinator mutualism

Predicting the effects of nectar robbing on plant reproduction: implications of pollen limitation and plant mating system

Floral larceny: Implications, resistance, and the potential for tolerance

Nectar robbing patterns in Ipomopsis aggregata and Linaria vulgaris

Effects of nectar robbing on nectar dynamics and bumblebee foraging strategies in Linaria vulgaris

Interactions among nectar robbing, floral herbivory, and ant protection in <i>Linaria vulgaris</i>

Nectar robbing in Ipomopsis aggregata: does high nectar production confer tolerance?

Temporal and spatial variation in pollination of a montane herb: a seven-year study

Temperature regulation in burying beetles (<i>Nicrophorus</i> spp.: Coleoptera: Silphidae): effects of body size, morphology and environmental temperature

The dual role of floral traits: pollinator attraction and plant defense

The ecology of pollination and nectar robbing in Linaria vulgaris in the Colorado Rocky Mountains

Impact of nectar robbing on estimates of pollen flow: conceptual predictions and emperical outcomes

Rescue of stranded pollen grains by secondary transfer

The effects of ungulate herbivory and nutrient variation on pollen reciept in Ipomopsis aggregata

Variation in nectar robbing over time, space, and species

Volatile production by the buds and corollas of two sympatric, confamial plants, Ipomopsis aggregata and Polemonium foliosissimum

The effects of a bumble bee nectar robber on plant reproductive success and pollinator behavior

The impact of floral larceny on individuals, populations, and communities

Are nectar robbers cheaters or mutualists?

Consequences of nectar robbing for realized male function in a hummingbird-pollinated plant

Reproductive biology of a North American subalpine plant: <i>Corydalis caseana</i> A. Gray ssp. <i>brandegei</i> (S. Watson) G. B. Ownbey

Nectar Robbing in <i>Ipomopsis aggregata</i>: Effects on Pollinator Behavior and Plant Fitness

Pollen transport and deposition by bumble bees in Erythronium: influences of floral nectar and bee grooming

Floral morphology and cross-pollination in Erythronium grandiflorum (Liliaceae)

The pollination ecology of Aquilegia elegantula and A. caerulea (Ranunculaceae) in Colorado