Odours - Bedbug gives off hormonal scents when disturbed, which makes it simple for trained dogs to detect in cases of heavy infestation.
Shed Skin - Bedbugs go through several life cycles, leaving behind their shed skin.
Eggs - Bedbug eggs are cream white and oval shaped. Bedbugs can lay up to 500 eggs in their life time. Bedbugs usually lay around 1-5 eggs a day.