Re: Just did my last hive check of the year and low and behold varroa mites
Trying is better than doing nothing to avoid a hive crashed situation during the winter months. Some queens will not stop laying all winter long in small brood patched. So treating them will at least give them a chance to survive. Next season start doing mite check early in the Spring time. Then through out the summer months to get an idea of the mite load in your hives.
I started my IPM at the end of June this season. Yes, it is a bit to treat but better than not doing anything to allow them to die. Once the mites are under control you will not see the blob and DWVs anymore. Because we are in a mild winter region it never hurt to try.
I've read that MAQS might kill the queen so for an extended mild winter go with the apivar will do.
Don't mix foreign bees into a virgin hive. She might get balled 100% of the time! When will you ever learn, huh?