By organism › Animals › Apidae › Bombus impatiens

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Bumblebees approached disymmetric (rectangular) artificial flowers with more consistent entry angles than radial (round) flowers.

Taxon: Bombus impatiensBombus impatiense0
Treatment: disymmetric (rectangular)e0
Outcome: consistent entry anglese1
Direction: more consistente1
Comparator: radial (round)e0

Verbatim

e0
“We analyzed video recordings of bumblebees (Bombus impatiens) visiting artificial flowers to determine whether consistency in flower entry angle differed between radial (round) and disymmetric (rectangular)”
✓ located verbatim in the source · abstract, characters 772–978

e1
“We observed more consistent entry angles for disymmetric flowers than for radial flowers, with entry angles to radial flowers 43% more variable on average (standard deviations of 30° vs. 21°)”
✓ located verbatim in the source · abstract, characters 990–1181

Title

Floral symmetry affects bumblebee approach consistency in artificial flowers

Brett Matthew Culbert; Jessica Forrest Journal of Pollination Ecology 2016. doi:10.26786/1920-7603(2016)10

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Entry angles to radial flowers were 43% more variable on average than to disymmetric flowers.

Taxon: Bombus impatiensBombus impatiense0
Treatment: radial flowerse1
Outcome: entry anglese1
Direction: more variablee1
Value: 43%e1
Comparator: disymmetric flowerse1

Verbatim

e0
“We analyzed video recordings of bumblebees (Bombus impatiens) visiting artificial flowers to determine whether consistency in flower entry angle differed between radial (round) and disymmetric (rectangular)”
✓ located verbatim in the source · abstract, characters 772–978

e1
“We observed more consistent entry angles for disymmetric flowers than for radial flowers, with entry angles to radial flowers 43% more variable on average (standard deviations of 30° vs. 21°)”
✓ located verbatim in the source · abstract, characters 990–1181

Title

Floral symmetry affects bumblebee approach consistency in artificial flowers

Brett Matthew Culbert; Jessica Forrest Journal of Pollination Ecology 2016. doi:10.26786/1920-7603(2016)10

Other claims from this paper (4)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The standard deviations of entry angles were 30° for radial flowers and 21° for disymmetric flowers.

Taxon: Bombus impatiensBombus impatiense0
Outcome: standard deviationse1
Value: 30° vs. 21°e1

Verbatim

e0
“We analyzed video recordings of bumblebees (Bombus impatiens) visiting artificial flowers to determine whether consistency in flower entry angle differed between radial (round) and disymmetric (rectangular)”
✓ located verbatim in the source · abstract, characters 772–978

e1
“We observed more consistent entry angles for disymmetric flowers than for radial flowers, with entry angles to radial flowers 43% more variable on average (standard deviations of 30° vs. 21°)”
✓ located verbatim in the source · abstract, characters 990–1181

Title

Floral symmetry affects bumblebee approach consistency in artificial flowers

Brett Matthew Culbert; Jessica Forrest Journal of Pollination Ecology 2016. doi:10.26786/1920-7603(2016)10

Other claims from this paper (4)

Intervention effect Bumblebees approached disymmetric (rectangular) artificial flowers with more consistent entry angles than radial (round) flowers.
Intervention effect Entry angles to radial flowers were 43% more variable on average than to disymmetric flowers.
Intervention effect Bees trained on intermediate square flowers showed a slight, non-significant preference for radial symmetry over disymmetry.
Intervention effect Disymmetry has the potential to increase pollen transfer to conspecific stigmas relative to radial symmetry.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Bees trained on intermediate square flowers showed a slight, non-significant preference for radial symmetry over disymmetry.

Taxon: Bombus impatiensBombus impatiense0
Treatment: flowers with an intermediate (square) morphologye2
Outcome: preferencee2
Comparator: disymmetrye2

Not reportedDirection

Verbatim

e0
“We analyzed video recordings of bumblebees (Bombus impatiens) visiting artificial flowers to determine whether consistency in flower entry angle differed between radial (round) and disymmetric (rectangular)”
✓ located verbatim in the source · abstract, characters 772–978

e2
“Bees trained on flowers with an intermediate (square) morphology exhibited a slight, non-significant preference for radial symmetry over disymmetry”
✓ located verbatim in the source · abstract, characters 1183–1330

Title

Floral symmetry affects bumblebee approach consistency in artificial flowers

Brett Matthew Culbert; Jessica Forrest Journal of Pollination Ecology 2016. doi:10.26786/1920-7603(2016)10

Other claims from this paper (4)

Intervention effectauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Disymmetry has the potential to increase pollen transfer to conspecific stigmas relative to radial symmetry.

Taxon: Bombus impatiensBombus impatiense0
Treatment: disymmetrye3
Outcome: pollen transfer to conspecific stigmase3
Direction: increasee3
Comparator: radial symmetrye3

Verbatim

e0
“We analyzed video recordings of bumblebees (Bombus impatiens) visiting artificial flowers to determine whether consistency in flower entry angle differed between radial (round) and disymmetric (rectangular)”
✓ located verbatim in the source · abstract, characters 772–978

e3
“Our results show that disymmetry—an evolutionarily intermediate form of floral symmetry—has the potential to increase pollen transfer to conspecific stigmas, relative to radial symmetry”
✓ located verbatim in the source · abstract, characters 1332–1517

Title

Floral symmetry affects bumblebee approach consistency in artificial flowers

Brett Matthew Culbert; Jessica Forrest Journal of Pollination Ecology 2016. doi:10.26786/1920-7603(2016)10

Other claims from this paper (4)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Conopid parasitism was unrelated to measured bumblebee behavioural responses during clover foraging.

Taxon: Bombus impatiens CressonBombus impatiense1
Interactor: Conopide0parasite
Second interactor: Trifolium pretense L.e1other
Outcome: behavioural responsee0
Direction: not relatede0
Setting: laboratorye1

Verbatim

e0
“Conopid parasitism was not related to any measured behavioural response”
✓ located verbatim in the source · abstract, characters 826–897

e1
“the relationship between infection and Bombus impatiens Cresson behaviour foraging on arrays of Trifolium pretense L. flowers in the laboratory.”
✓ located verbatim in the source · abstract, characters 601–745

Title

Relationships between parasitism, bumblebee foraging behaviour, and pollination service to T rifolium pratense flowers

SANDRA D. GILLESPIE; KAYLA CARRERO; LYNN S. ADLER Ecological Entomology 2015. doi:10.1111/een.12236

Other claims from this paper (5)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Larger bumblebees were more likely to be parasitised.

Taxon: Bombus impatiens CressonBombus impatiense1
Interactor: Conopide2parasite
Outcome: parasitisede0
Direction: more likelye0
Qualifier: Larger beese0

Verbatim

e0
“Larger bees were more likely to be parasitised”
✓ located verbatim in the source · abstract, characters 1026–1072

e1
“Bombus impatiens Cresson behaviour”
✓ located verbatim in the source · abstract, characters 640–674

e2
“Conopid parasitism was not related to any measured behavioural response”
✓ located verbatim in the source · abstract, characters 826–897

Title

Relationships between parasitism, bumblebee foraging behaviour, and pollination service to T rifolium pratense flowers

SANDRA D. GILLESPIE; KAYLA CARRERO; LYNN S. ADLER Ecological Entomology 2015. doi:10.1111/een.12236

Other claims from this paper (5)

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Bumblebees feeding on vermicompost grown cucumber flowers had larger ovaries.

Taxon: Bombus impatiensBombus impatiense0
Treatment: flowers from VC-amended plantse0
Interactor: Bombus impatiensBombus impatiense0pollinator
Outcome: ovariese0
Direction: largere0

Not reportedComparator

Verbatim

e0
“Bumblebee ( Bombus impatiens ) workers that fed on flowers from VC-amended plants had significantly larger and more active ovaries, a measure of nutritional quality.”
✓ located verbatim in the source · abstract, characters 727–892

Title

Effects of Soil Quality Enhancement on Pollinator-Plant Interactions

Yasmin J. Cardoza; Gabriel K. Harris; Christina M. Grozinger Psyche A Journal of Entomology 2012. doi:10.1155/2012/581458

Other claims from this paper (5)

Intervention effect Vermicompost increased pollinator visit length in at least two of three field seasons.
Intervention effect Vermicompost reduced time to first pollinator discovery in at least two of three years.
Intervention effect Bumblebees feeding on vermicompost grown cucumber flowers had more active ovaries.
Intervention effect Pollen from vermicompost grown plants had higher protein than pollen from chemically fertilized potting soil.
Intervention effect Nectar sugar content tended higher after vermicompost amendment, without a significant difference.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Bumblebees feeding on vermicompost grown cucumber flowers had more active ovaries.

Taxon: Bombus impatiensBombus impatiense0
Treatment: flowers from VC-amended plantse0
Interactor: Bombus impatiensBombus impatiense0pollinator
Outcome: ovariese0
Direction: more activee0

Not reportedComparator

Verbatim

e0
“Bumblebee ( Bombus impatiens ) workers that fed on flowers from VC-amended plants had significantly larger and more active ovaries, a measure of nutritional quality.”
✓ located verbatim in the source · abstract, characters 727–892

Title

Effects of Soil Quality Enhancement on Pollinator-Plant Interactions

Yasmin J. Cardoza; Gabriel K. Harris; Christina M. Grozinger Psyche A Journal of Entomology 2012. doi:10.1155/2012/581458

Other claims from this paper (5)

Intervention effect Vermicompost increased pollinator visit length in at least two of three field seasons.
Intervention effect Vermicompost reduced time to first pollinator discovery in at least two of three years.
Intervention effect Bumblebees feeding on vermicompost grown cucumber flowers had larger ovaries.
Intervention effect Pollen from vermicompost grown plants had higher protein than pollen from chemically fertilized potting soil.
Intervention effect Nectar sugar content tended higher after vermicompost amendment, without a significant difference.

Bombus impatiens 9 claims

9 claims