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Selective Avoidance by Vertebrate Frugivores of Green Holly Berries Infested with a Cecidomyiid Fly (Diptera: Cecidomyiidae)
Vera Krischik, Eric S. McCloud and John A. Davidson
The American Midland Naturalist
Vol. 121, No. 2 (Apr., 1989), pp. 350-354
Published by: The University of Notre Dame
Stable URL: http://www.jstor.org/stable/2426039
Page Count: 5
You can always find the topics here!Topics: Fruits, Berries, Midges, Fungi, Insect larvae, Vertebrates, Birds, Ripening, Winter, Branches
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Green fruits of Ilex opaca infested with larvae of the holly berry midge Asphondylia ilicicola Foote (Diptera: Cecidomyiidae) were eaten less during the winter and spring than uninfested red fruits. These results indicate that fly larvae, and their associated fungus, interact with berry physiology to prevent the fruit from changing color, thereby protecting the larvae from frugivory until spring when the midge emerges and starts the cycle again by laying eggs in holly flowers.
The American Midland Naturalist © 1989 The University of Notre Dame