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      The floriphilic katydid, Phaneroptera brevis, is a frequent flower visitor of non-native, flowering forbs

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      Journal of Orthoptera Research

      Pensoft Publishers

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          Abstract

          Distribution of consumers in a patch of vegetation can be predicted by resource availability and explained by the resource-concentration and optimal-foraging hypotheses. These hypotheses have not been explored for flower-visiting Orthoptera because they are deemed less economically or ecologically important. Some flower-visiting orthopterans can provide pollination services, which warrants more attention. We studied a Singaporean, floriphilic katydid, Phaneropterabrevis, to investigate the following questions: 1) how frequently does P.brevis visit flowers compared to other flower visitors and 2) what factors predict the abundance of P.brevis? We collected abundance data for P.brevis and other flower-visiting arthropods and quantified seven environmental parameters, including flower abundance and host-plant species richness. We found that P.brevis frequents flowers significantly more often than some common and expected flower visitors such as hoverflies. In line with the prediction of the resource-concentration hypothesis, the abundance of P.brevis was positively correlated with a higher flower abundance. Owing to the limited information on unexpected wild flower visitors and pollinators, especially from the understudied tropics of Southeast Asia, we propose that P.brevis can be a model organism for future studies to answer fundamental questions on flower visitation.

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          Most cited references 27

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          Organization of a Plant-Arthropod Association in Simple and Diverse Habitats: The Fauna of Collards (Brassica Oleracea)

           Richard Root (1973)
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            Optimal Foraging Theory: A Critical Review

             G Pyke (1984)
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              • Abstract: not found
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              Mass flowering crops enhance pollinator densities at a landscape scale

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                Author and article information

                Journal
                Journal of Orthoptera Research
                JOR
                Pensoft Publishers
                1937-2426
                1082-6467
                May 17 2019
                May 17 2019
                : 28
                : 2
                : 21-26
                Article
                10.3897/jor.28.33063
                © 2019

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