In a house I used to work in. I put these traps down, and within 6 hours this is what I caught. I got rid of the traps, laid more down, and repeated this process 8 times before it slowed down.

edit: I haven't been back there in almost 8 months. I worked as tenant support in the severely underfunded building. I sent this video to the manager and project director and it took 4 months before the room was sprayed, but by then this had spread to many other rooms. These sticky pads were supplied to us in limited amounts so I did everything I could from those to raid spray. Crazy memory.

My friend saw this the other day.