Yesterday a neighbour brought me a beauty like this... an elephant hawk moth caterpillar. I just googled it and am delighted to find out that it mainly feeds on rosebay willowherb, a plentiful weed in and around my allotment. Just need to find its cousin which eats bindweed and thistles now.
http://ukmoths.org.uk/show.php?id=240
http://ukmoths.org.uk/show.php?id=240
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