An apparatus for controlling bee diseases and/or pests comprising: a beehive with at least one aperture; and at least one removable treatment means adapted to be able to be inserted into and removed from the beehive via the at least one aperture and also being configured to control bee diseases and/or pests; the apparatus is adapted such that when in use, a user is able to insert the removable treatment means into the beehive via the at least one aperture and it results in bee diseases and/or pests being controlled without a user having to open the beehive, the apparatus also adapted such that a user can remove the removable treatment means or part of the removable treatment means from the beehive to measure the strength of the removable treatment means without having to open the beehive.