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Science 21 August 1987:
Vol. 237. no. 4817, pp. 898 - 901
DOI: 10.1126/science.3616620

Articles

Science, Vol 237, Issue 4817, 898-901
Copyright © 1987 by American Association for the Advancement of Science


articles

Vein-cutting behavior: insect counterploy to the latex defense of plants

DE Dussourd and T Eisner

Many mandibulate insects that feed on milkweeds, or other latex-producing plants, cut leaf veins before feeding distal to the cuts. Vein cutting blocks latex flow to intended feeding sites and can be viewed as an insect counteradaptation to the plant's defensive secretion. Experimental vein severance renders milkweed leaves edible to generalist herbivores that do not show vein-cutting behaviors and ordinarily ignore milkweeds in nature.


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Mulberry latex rich in antidiabetic sugar-mimic alkaloids forces dieting on caterpillars.
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Interactions Between Chemical and Mechanical Defenses in the Plant Genus Bursera and Their Implications for Herbivores.
J. X. Becerra, D. L. Venable, P. H. Evans, and W. S. Bowers (2001)
Integr. Comp. Biol. 41, 865-876
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Differential Gene Expression in Response to Mechanical Wounding and Insect Feeding in Arabidopsis.
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Rendering the inedible edible: Circumvention of a millipede's chemical defense by a predaceous beetle larva (Phengodidae).
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Science. ISSN 0036-8075 (print), 1095-9203 (online)