System for storing and releasing beneficial arthropods and methods for its use and production

System for releasing beneficial arthropods comprising:

• an arthropod housing comprising a body, preferably a plate formed body, provided with a number of chambers enclosing an interior space, wherein the shape of the interior space of the number of chambers preferably is such that the dimensions in at least one direction are smaller than the dimensions in another direction, wherein each chamber further has a number of openings suitable to provide access of the arthropods to the interior space, and the chambers comprise individuals, preferably motile individuals, most preferably adult motile individuals, of a beneficial arthropod species.