Hi Fausto and All, Meant to include this URL with the previoiusly posted message about Helicodiceros in regards to possible damage to the tubers....but forgot. So here is a picture of the adult Heliconius butterfly whose larvae can cause so much damage to some varieties of Aroid tubers... http://izzy.online.discovery.com/area/aunaturale/aunaturale970302/aunaturale1.html Best Wishes, Doug Douglas Burdic dburdic@presys.com