Just received this info and wanted to share it with you as another resource. One of the best worms to use is red worms also known as red wigglers. They are the most efficient at vermicomposting. The best source for obtaining these worms is through a mail order company known as Flowerfield Enterprises in Kalamazoo, MI. This is a company operated by Mary Appelhof, a leader in the vermicomposting world. You can contact them at www.wormwoman.com or 269-327-0108. Here you can find out what they offer and also order materials.