If you place a monitor (glue) trap it may indeed catch a sample for proper identification.It may be a bed bug, spider beetle, carpet beetle, roach nymph or one of several other insects commonly mistaken for bed bugs. It may indeed catch a bed bug which will unfortunately erase any doubt as to what you have.
Glue traps usually come with a special lure that either gives off a carbon dioxide or pheromones smell - both of which are attractive to bed bugs. You can place glue traps at the foot of your bed, in mattresses, cracks, crevices and bed springs, so that the bed bug has to crawl over them in order to get to you.
UF/IFAS Entomologist Dr. Rebecca Baldwin demonstrates how to build a bed bug trap using household items.
Ortho bed bug trap This is a classic active bed bug trap that uses feromones and glue to attract and trap bed bugs. It's lightweight and easy to carry around, in case you want to take it with you while you travel.
Sticky Bed Bug Traps Using Glue & Tape Bed Bug Glue Traps. There are quite a number of traps that are in this category. This trap enables you to detect bed bugs before they increase. These traps are normally nontoxic and free of any pesticides. You can place them anywhere in your house.
Harris bed bug trap is a very easy-to-use and affordable glue trap. The trap comes with four adhesive cardboards which can be placed under furniture where you suspect any bed bug activity. This bed bug trap prevents the insects inside your bed from spreading all over the place and stops other bed bugs from making their way into your bed.