>Some years ago there were problems to honeybees caused by >micro-encapsulated pesticides. I would be grateful if anyone could tell >me what materials were used for the shells of the micro-capsules. >Thanks, Peter Kevan [log in to unmask] Peter, If you have further need for information, KNOX OUT 2 FM is the usual product bought by pesticide operators in the U.S. The manufacturer is the WHITMIRE Research Laboratories, Inc. in St. Louis, Missouri, with a telephone: (314) 225-5371. They will likely be willing to provide pertinent details about the product. Adrian *************************************************************** * Adrian Wenner E-Mail [log in to unmask] * * Department of Biology Office Phone (805) 893-2838 * * University of California Lab Phone (805) 893-2838 * * Santa Barbara, CA 93106 FAX (805) 893-4724 * ***************************************************************