Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances.
给予植物抗虫性的物质包括无机物，初始、中间代谢物和次生物质。
This article reviews the studies on interactions of plant secondary substances and feeding behavior of leaf beetles.
本文综述了寄主植物次生物质与叶甲取食行为关系的研究进展。
Plant secondary substances determine diet breadth to a great extent. They play a significant role in speciation, especially the sympatric speciation.
植物次生物质对叶甲的寄主范围起到决定性作用，在物种形成特别是同域物种形成过程中起到十分重要的作用。
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