Hemiptera \ / hɛˈmɪptərə \ / is an order of insects most often known as the true bugs ( cf. bug ) , comprising around 50,000-80 ,000 species of cicadas , aphids , planthoppers , leafhoppers , shield bugs , and others .
There are many different kinds of true bugs , some of which are aphids , cicadas , planthoppers , shield bugs , and others .