MONDAY, April 25, 2016 (HealthDay News) -- Bed bugs have favorite colors, new research has discovered. In a series of experiments, researchers noted that the little blood suckers strongly preferred red and black and avoided green and yellow.
Bee assassin bugs are mostly black, with red (or sometimes yellow) markings along the sides of the abdomen. Within the species, individual bee assassins can vary quite a bit in size, with some as small as 12 mm and others as long as 20 mm.
Learn what bed bugs look like and how to spot them before they get you. but they turn rusty red after feeding. The common bedbug doesn't grow much longer than 0.2 inches (0.5 centimeters) and
Adult bed bugs are usually a shiny, rusty red color. Juveniles are often a translucent tan color. Some bed bugs may even have darker spots on their backs. Keep an eye out for more bugs, but most likely what you saw was not a bed bug.
It does not hurt when the bed bug bites, but many people develop an allergic reaction to the saliva of the bug usually between 24 hours and three days later, resulting in a raised, red skin bump
Waking up with red bumps all over is a sure sign of these pests. Bed bugs can also be discovered easily by their smell, or if you see large groups of small black dots—they might be your unwanted house guest. To find them, especially when staying in hotels, use a flashlight, pull back the sheets and search for the little black dots.