I believe it is a caterpillar of a Dead's Head Hawk moth (please tell me if I am wrong!) found throughout the Middle east and the Mediterranean and due to our milder winters it is now found in the south of the UK.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/71153021@N00">Marilyn Peddle</a>
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originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/71153021@N00/1268776447">Caterpillar</a>