In a study replicated across two states and two years. we tested the sublethal effects on honey bees of the miticides Apistan (tau fluvalinate) and Check Mite+ (coumaphos) and the wood preservative copper naphthenate applied at label rates in field conditions. A continuous covariate. a colony Varroa mite index. https://thebrickes.shop/product-category/outdoor-heating/