A bed bug's size depends on what stage of its life cycle it is in. An adult bed bug that has not yet fed has a size of approximately 3/16''. When the bed bug feeds, it swells and there is a noticeable increase in its size. The growth in length of the bed bug after feeding increases to approximately 1/5''.
Nymphs or juvenile bed bugs range from the size of a bed bug egg (0.09 inches, 2.5mm) to the size of full adult bed bugs at ( 0.18 inches, 4.5mm). For reference, 0.1 inches is slightly over the thickness of a quarter.
Bed bugs often disappear for 2 to 3 weeks and the reappear, particularly as the eggs hatch. make sure they are gone. An inexpensive way to determine if bed bugs are gone is to place a Bed Bug Interceptor called climbup under each leg of the bed. Bed Bugs will climb up the side and get trapped inside the bowl.
If you're reading this article, then it's likely you have experienced (or are currently experiencing) a run in with bed bugs. To help you out, we've curated 53 of the best images and pictures of bed bugs I could find that showcase what a bed bug looks like so hopefully you can identify what it is that's pestering you.
Rusty or reddish stains on bed sheets or mattresses caused by bed bugs being crushed. Dark spots (about this size: •), which are bed bug excrement and may bleed on the fabric like a marker would. Eggs and eggshells, which are tiny (about 1mm) and pale yellow skins that nymphs shed as they grow larger.
Pictures of bed bug eggs. Each bed bug (females) will lay approximately 3 to 8 eggs and up to 500 eggs over their 10-month life. Each egg is 1/25 inch and is curved. The bed bug will lay eggs in a sticky cluster. A bug will feed 24 hours after being hatched. Eggs will hatch between 4 and 12 days.