Spodoptera littoralis (IMAGE)
Caption
The African cotton leafworm Spodoptera littoralis feeds on the leaves of the wild tobacco Nicotiana attenuata. This pest insect is a food generalist and feeds on many different plants, Extensive analyses of the metabolites produced by the plant after attack by the two herbivores and the application of statistical assumptions based on information theory demonstrated that the chemical defense of tobacco plants is a directed response to herbivore attack.
Credit
Danny Kessler, Max Planck Institute for Chemical Ecology
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