The Chemical Ecology of Aphids

摘要: Insects are sensitive to chemical aspects of their environment, particularly with regard host and mate location. Aphids can select individual or a few closely related plant species from wide range nonhost vegetation (65, 71). This selection relies upon the detection secondary compounds as well primary metabolites associated physiological condition (82). Use long-range volatile cues in aphid-plant aphid-aphid interactions was formerly considered unlikely (78, 108). Never­ theless, recent work reviewed here demonstrates that olfaction plays more extensive role ecology aphids than previously thought. Thc study aphid involving semiochemicals, pheromones, has been greatly enhanced by development electrophysiological rccordings antennae, using electroan­ tennograph (EAG) single-cell recording (SCR) methods. SCR directly coupled high-resolution capillary column gas chromatography (GC-SCR) provides powerful tool for locating active components behaviorally samples (154). Analysis other highly techniques such