Please use this identifier to cite or link to this item: https://doi.org/10.1111/1365-2745.12006
Title: Flowers attract weaver ants that deter less effective pollinators
Authors: Gonzálvez, F.G.
Santamaría, L.
Corlett, R.T. 
Rodríguez-Gironés, M.A.
Keywords: Ambush predators
Ant repellents
Ant-plant interactions
Mutualism
Oecophylla smaragdina
Reproductive ecology
Tritrophic interactions
Issue Date: Jan-2013
Citation: Gonzálvez, F.G., Santamaría, L., Corlett, R.T., Rodríguez-Gironés, M.A. (2013-01). Flowers attract weaver ants that deter less effective pollinators. Journal of Ecology 101 (1) : 78-85. ScholarBank@NUS Repository. https://doi.org/10.1111/1365-2745.12006
Abstract: 1. Many flowers produce ant-repellent substances that prevent ants from discouraging pollinator visits. When a flower's most effective pollinator is unaffected by predatory ants, however, flowers should benefit from the presence of ants that deter less effective pollinators from consuming resources. 2. Behavioural assays revealed that Melastoma malabathricum flowers, pollinated by large carpenter bees, Xylocopa spp., produce ant attractants that recruit weaver ants, Oecophylla smaragdina. 3. The presence of ants was associated with an increase in the reproductive success of M. malabathricum flowers. This outcome likely resulted from the filtering effect of ants on the community of flower visitors: ants deter less effective pollinators and attract Xylocopa bees through an indirect effect on resource depletion. 4. Synthesis. Although plant-pollinator interactions are classified as mutualisms, not all flower visitors are effective pollinators, and some can be parasites or conditional parasites. As a result, predators that deter flower visitors can have positive or negative effects on plant fitness, depending on whether they deter all visitors or a subset of them, and on the relative effectiveness of deterred and undeterred visitors. © 2012 The Authors. Journal of Ecology © 2012 British Ecological Society.
Source Title: Journal of Ecology
URI: http://scholarbank.nus.edu.sg/handle/10635/100699
ISSN: 00220477
DOI: 10.1111/1365-2745.12006
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