Access the full text.
Sign up today, get DeepDyve free for 14 days.
(1977)
Pollen food of the bumblebees (Bombus Latr., Hymenoptera) and their association with the plant species in the Lublin region
P. Rasmont (1984)
Les bourdons du genre Bombus Latreille sensu stricto en Europe Occidentale et Centrale (Hymenoptera, Apidae)Spixiana, 7
D. Janzen (1971)
Euglossine Bees as Long-Distance Pollinators of Tropical PlantsScience, 171
M. Kwak, Y. Holthuijzen, H. Prins (1985)
A COMPARISON OF NECTAR CHARACTERISTICS OF THE BUMBLEBEE-POLLINATED RHINANTHUS-MINOR AND RHINANTHUS-SEROTINUSOikos, 44
D. Morse (1985)
Milkweeds and their VisitorsScientific American, 253
P. Feinsinger (1976)
Organization of a Tropical Guild of Nectarivorous BirdsEcological Monographs, 46
Statistisch - 6 kologische Untersuchungen fiber die terrestrische K ~ iferwelt der finnischen Bruchmoore
A. Sih, Marie-Sylvie Baltus (1987)
Patch Size, Pollinator Behavior, and Pollinator Limitation in Catnip.Ecology, 68 6
H. Kugler (1936)
Hummeln als BlütenbesucherNaturwissenschaften, 24
P. Pang (1977)
Osmoregulatory Functions of Neurohypophysial Hormones in Fishes and AmphibiansIntegrative and Comparative Biology, 17
D. Barrow, R. Pickard (1984)
Size‐related selection of food plants by bumblebeesEcological Entomology, 9
B. Heinrich (1976)
Resource Partitioning Among Some Eusocial Insects: BumblebeesEcology, 57
B. Rathcke (1983)
CHAPTER 12 – Competition and Facilitation among Plants for Pollination
E. Ranta, H. Lundberg (1980)
Resource partitioning in bumblebees: the significance of differences in proboscis length.Oikos, 35
K. Waddington, Tracy Allen, B. Heinrich (1981)
Floral preferences of bumblebees (Bombus edwardsii) in relation to intermittent versus continuous rewardsAnimal Behaviour, 29
G. Pyke (1982)
Local Geographic Distributions of Bumblebees Near Crested Butte, Colorado: Competition and Community StructureEcology, 63
Clayton Hodges (1981)
Optimal foraging in bumblebees: Hunting by expectationAnimal Behaviour, 29
L. Johnson, S. Hubbell (1975)
Contrasting Foraging Strategies and Coexistence of Two Bee Species on a Single ResourceEcology, 56
G. Pyke (1978)
Optimal foraging in hummingbirds : testing the marginal value theoremIntegrative and Comparative Biology, 18
(1982)
Communities of bumblebees : testing the core-satellite species hypothesis
(1983)
Catalogue commentb des bourdons de la r~gion ouest-pal6arctique (Hymenoptera, Apoidea, Apidae)
J. Free (1955)
The collection of food by bumblebeesInsectes Sociaux, 2
I. Teräs (1985)
Food plants and flower visits of bumblebees (Bombus, Hymenoptera, Apidae) in southern Finland
Clayton Hodges (1985)
Bumble Bee Foraging: Energetic Consequences of Using a Threshold Departure RuleEcology, 66
M. Zimmerman (1981)
Patchiness in the dispersion of nectar resources: Probable causesOecologia, 49
S. Corbet (1978)
Bee visits and the nectar of Echium vulgare L. and Sinapis alba L.Ecological Entomology, 3
G. Pyke (1980)
Optimal foraging in bumblebees: calculation of net rate of energy intake and optimal patch choice.Theoretical population biology, 17 2
D. Wright (1985)
Patch dynamics of a foraging assemblage of beesOecologia, 65
G. Pyke (1978)
Optimal foraging: movement patterns of bumblebees between inflorescences.Theoretical population biology, 13 1
In 4 common Middle-European mainly bumblebee-pollinated plant species ( Impatiens glandulifera, Echium vulgare, Aconitum napellus, Symphytum officinale ) the influence of patch size on species composition of the pollinator community was studied. Short-tongued species were most dominant in large patches, while small patches were frequented by middle- and long-tongued bumblebees. This phenomenon was extremely obvious in Symphytum officinale and Aconitum napellus , where short-tongued species had bitten a hole in nearly every flower of large patches. Long-tongued species were forced to small patches, where nectarrobbing occurred only exceptionally. In small patches visitationrate (Number of visits per flower per hour) was not lower but either equal or even higher then in large patches. Nectar measurements in Echium vulgare showed, that not only the mean quantity of nectar but also the variance was lower in small patches. As a result, the possible gain can be predicted much more precisely in a small patch than in a large one, and bumblebees have less difficulties in making the right foraging decisions. According to this, foraging strategies depend on patch size. This was confirmed by a computer simulation. The conclusion can be drawn, that many bumblebee species are able to share the same resource by using different patch sizes. Since large flower patches occur mainly in man-made habitats, the dominance of short-tongued species in many bumblebee communities studied by other authors may be unnatural.
Oecologia – Springer Journals
Published: Mar 1, 1989
Read and print from thousands of top scholarly journals.
Already have an account? Log in
Bookmark this article. You can see your Bookmarks on your DeepDyve Library.
To save an article, log in first, or sign up for a DeepDyve account if you don’t already have one.
Copy and paste the desired citation format or use the link below to download a file formatted for EndNote
Access the full text.
Sign up today, get DeepDyve free for 14 days.
All DeepDyve websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.