>Lets be clear that this method is a *trap* method. You trap the mites >and remove them. It is *not* a mite breeding programm unless you get it >wrong. Secondly, you have choice about whether to treat the brood and >put it back (using Formic acid say) or discard it as an unecessary ... -- >Dave Black >Blacks Bee Gardens, >Guildford, GU1 4RN. UK. No way I am going to get into the middle of this but you suggest that brood can be treated with Formic acid. It has been my understanding that the acid will not kill the mites beneath the capping. If you have a way to treat the brood with Formic acid would you please elaborate. Eric Eric Abell Gibbons, Alberta Canada (403) 998 3143 [log in to unmask]