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Nicole Van Dam

Plants smell different when they are eaten by different herbivores

  When they are attacked by herbivores, many plants call in reinforcements. To this end, they emit odours. These odours attract wasps, for example, that are parasites and in search for host animals. The wasps lay their eggs into the caterpillars, thereby killing them: this means fewer butterflies and voracious caterpillars in the next generation. […]

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