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On the Evolution of Host Specificity in Phytophagous Arthropods
Elizabeth Bernays and Michelle Graham
Vol. 69, No. 4 (Aug., 1988), pp. 886-892
Stable URL: http://www.jstor.org/stable/1941237
Page Count: 7
You can always find the topics here!Topics: Phytophagous insects, Host range, Plants, Evolution, Herbivores, Insect ecology, Ecological genetics, Insect behavior, Host plants, Species
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We argue that generalist natural enemies of herbivorous insects provide a major selection pressure for restricted host plant range. The significance of plant chemistry is discussed in terms of regulating behavior, while the chemical coevolutionary theories are considered to be of limited value.
Ecology © 1988 Wiley