Thank you to everyone who replied to my request for identification of a caterpillar. it was sure enough of the Mullion moth. this is a first in our garden, since we made it butterfly friendly. cheers. Ceri Jones. Wales U.K. International Asclepiad Society. Seed Bank Secretary. http://vvv.com/~amdigest/asclepid.htm http://vvv.com/~amdigest/