long and 22 cm wide was placed in the center of each arena and its edges were sealed with paper tape each trap was placed in the center of cardboard and a pine wooden rod 16 5 cm tall 3 5 cm diameter was glued to the center of each interceptor trap or the cardboard to mimic a furniture leg a 3 7 cm diameter plastic dish was placed on top of the wooden rod to hold bed bugs forty bed bugs were confined inside the plastic petri dishes on top of the wooden rods each petri dish contained a piece of red paper as harborage fig1 six additional bed bug exposed paper harborages were placed along the edges of the floor of each tray arena at 1 hour after dark cycle co 2 was released from a 5 lb cylinder at 100 ml minute to the room the plastic cover confining the bugs was removed bed bugs would naturally migrate down the wooden rod the numbers of bed bugs fallen into the traps were counted after 8 hours with the aid of a red light comparative efficacy of the inventive insect trap for monitoring bed bugs moving toward furniture similar to experiment 1 10 arenas were used providing 5 replicates for each trap type each arena received either the insect trap of the present invention or interceptor trap fig2 an arena with one trap type was always placed adjacent to an arena containing.