Heteroptera

Pentatomidae
Lygaeidae
Reduviidae
Cimicidae
Miridae
Notonectidae
Corixidae
Naucoridae
Gerridae

Heteroptera (also called true bugs) is a suborder of hemiptera. There are 25,000 known species in over 60 families. The name heteroptera comes from their forewings having both membranous and hard portions.