Olive killer bacteria found on Corsica. Officials on Corsica took emergency measures on Thursday after the discovery of a bacteria that could ravage fruit and olive oil production on the French Mediterranean island. Xylella fastidiosa has already killed thousands of olive trees in the Italian region of Puglia and is considered a threat to olive production around the Mediterranean.  www.english.rfi.fr/economy/20150723-olive-killer-bacteria-found-corsica