Which bugs eat bed bugs?

Ticks

Kissing Bugs

Mites

Pirate Bugs

Thrips

Fleas

Typically, Spiders are blamed for 'mystery bites' by most people finding a strange bump or bite. This is a flawed hand-me-down fear based method of approach, as unless your home is infested by clearly identified venomous spiders, most spiders found in your home do more to improve your environment via killing and eating pest species...than they will ever do to endanger said environment. Spiders are one of the most effective natural methods by which insect populations are kept in check. Additionally, many common spiders don't possess fangs with the strength needed to penetrate human skin effectively.