Abstract: A method includes forming a plurality of perforations in a ceramic mastercard by a first laser process, wherein forming the plurality of perforations includes reducing a first thickness of the ceramic mastercard to a second thickness along first predefined lines, and cutting through an entire thickness of the ceramic mastercard along a plurality of second predefined lines by a second laser process, wherein the first predefined lines and the second predefined lines overlap only partly.

Abstract: The idea of the combination trap is to enable an apiarist to simultaneously control two bee pests in a single operation. In places where one of the pests does not yet occur, the trap serves in monitoring and prevention. The trap comprises a mechanically simple apparatus and two active substances.