You could possibly come across them near the seams, tags, and piping of the mattress or box springs, or in cracks inside your mattress frame or headboard. Having said that, spider beetle bites are harmless and don’t distribute any illnesses. Also, spider beetles don’t suck blood as mattress bugs https://holdendifau.fireblogz.com/62381177/the-greatest-guide-to-how-to-fill-raised-beds