Size And Color Of Bed Bugs
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.
Bedbugs are small, flat, wingless insects with six legs that, like mosquitoes, feed on blood from animals or people. They range in color from almost white to brown, but they turn rusty red after
Young bed bugs (also called nymphs), in general, are: smaller, translucent or whitish-yellow in color; and. if not recently fed, can be nearly invisible to the naked eye because of coloring and size.
Bed bug bites are caused primarily by two species of the insect Cimex: Cimex lectularius (the common bed bug) and Cimex hemipterus. Their size ranges between 1 and 7 mm.  They spread by crawling between nearby locations or by being carried within personal items. 
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.
A recent study on bed bugs provided evidence that bed bugs are attracted to certain colors when they seek harborage sites or when foraging for a blood meal. In general, beg bugs preferred red and black, rather than yellow, orange, green, lilac and violet.