This is a Queen introduction frame unlike the other introduction frame you don’t have to take a frame out of the hive. With this introduction frame you simply leave it in the hive for the workers to pull out comb and use it like any other frame but when you want to introduce a new queen or stop the queen from laying for control of Vorroa Mites just put her in and the workers will take care of her. The item “Bee hives, queen introduction frame, beekeeping supplies” is in sale since Friday, September 04, 2015. This item is in the category “Business & Industrial\Agriculture & Forestry\Livestock Supplies\Beekeeping”. The seller is “beezneedz14″ and is located in High Point, North Carolina. This item can be shipped to United States.