Key Do Proshow How Do I Make A Dichotomous Key With These 6 Insects? 10 Pts !?

How do I make a dichotomous key with these 6 insects? 10 pts !? - key do proshow

6 insects are:
Strider
Tarnished
leafhopper
Firefly
Ladybug
Spider beetles

Please help me, I do not understand how. Thanks