Freefall -- aphids' survival strategy

As soon as aphids feeding on a plant sense the heat and humidity in a mammal's breath, they drop to safety before they are inadvertently ingested together with the plant the animal is feeding on. These findings by Moshe Gish and colleagues, from the University of Haifa in Israel, show both how accurate aphids are at detecting this threat and how effective their escape behavior is. The work was just published online in Springer's journal Naturwissenschaften – The Science of Nature.

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