US Patent 9226488 Insect trap and monitor

The invention describes an insect trap and monitor for trapping and monitoring crawling insects such as bed bugs. The trap comprises two planar elements of substantially the same size, each with flat outer surface and an inner surface provided with a plurality of recessed areas. The opposed recessed areas align to form at least one passageway and a plurality of trapping compartments, with the passageway open at least at one end to provide an entrance to the trap.