I am currently staying with my family in Shanghai, China and they have this bug problem in one of the rooms. It is some type of small brown bug with no visible legs and they are concentrated near the edges / cracks in the room. This bug infestation only occurred after someone moved in downstairs.
After an extensive google search, I cannot find anything similar to these bugs and I cannot find a solution to get rid of them either. Bug spray was killing them at first, but then just stopped working.
It's weird because the bugs are contained to one room. The Chinese Pest control came, but they didn't solve anything either. What are these bugs and what's the best way to eliminate these bugs?