Bedbugs (or bed bugs) are small, oval, brownish insects that live on the blood of animals or humans. They often enter your home undetected in luggage, clothing, and used beds or couches. Bedbugs
How to Get Rid of Bed Bug Stains. The dark splotches on your mattress, bedspread, and pillows come from the feces of bed bugs that have been feeding on you during the night. Cold water washing might do the trick for fresh, light stains.
Bed bug images: photos of bed bugs and evidence of their presence: eggs, fecal stains, and shed skins (cast skins) You can click many of the bed bug photos below and you will be taken to the flickr page. Click "all sizes" and then "large" to get the best view.
Bed bug fecal matter is dark in color made up of digested blood from their host. Bed bug feces is smooth to the touch unlike roach feces, which is more granular in feel. The fecal matter is easy to smear and can quickly stain mattresses, sheets, drapes, furniture, sofas and chairs. Below are some bed bug feces pictures.
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. Live bed bugs. Where Bed Bugs Hide
Since bed bugs feed on blood, they leave behind small brown stain spots in their feces. These can remain long after the insects have been eliminated. The stains are protein-based, since they are essentially made of blood, and require a more aggressive removal approach than many other types of stains.