Re. Apis Article/ David Eyre / HBTM-Resistant Stock David Eyre commented on the fact that his original discussion about HBTM resistant beestock raised in Ontario came over "like a lead balloon", while beekeepers are all so eager to adopt chemical control procedures. I suppose you are correct on both counts but I think it is important to recognize the importance of both issues. Here in British Columbia, we have developed several HBTM-Resistant Bee Lines after a multi-year breeding program in partnership with the industry. At the same time, we have also supported and carried out a wide-range of trials on improved chemical mite controls and application techniques. We have always believed that these seperate mite control approaches are not exclusive from each other. Ultimately, the industry's success in controlling mites (both HBTM and varroa) is through Integrated Pest Management (IPM): not one single control is sufficient, but the timely application of a range of controls and management techniques that offer effective pest control while minimizing the impact on the host. HBTM-resistant beestock may therefore be only one component of an entire mite control strategy. Similarly, chemical controls occupy only one part of the overall mite control effort. I don't think most beekeepers are inclined to favor chemical controls over mite-resistant beestock, but the concerns about residues, efficacy, applicators safety, product registration and all other factors associated with the use of chemicals, make this inevitably a more frequently discussed subject matter. Paul van Westendorp [log in to unmask] Provincial Apiarist British Columbia