Tegmina in cockroach, arises from :
Mesothorax
Metathorax
Prothorax and Mesothorax
Prothorax
Cockroaches show 2 pairs of wings 1st pair is the forewings. These are also known as Tegmina. These arise from Mesothorax. These are for the protection of the hind wings.2nd pair is Hind wing. These are for flying.