Avril, The orange slug is probably Arion subfuscus, an alien from Europe. There are some color variations, some individuals being more brown than orange. I find both color forms in my yard in Maryland. Aydin ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------