There are 1 12- 108=4 legs left, which means that each spider has 2 legs left:

Spider: 4/2=2 (only)

Dragonfly and cicada * * *: 18-2 = 16 (only)

Cut off 1 the wings of the dragonfly and cicada.

* * * Section: 16x 1= 16 wings.

There are 22- 16=6 pairs of wings left, and each dragonfly has 1 pair of wings left;

Dragonflies; 6/ 1=6 (only)

Cicada: 16-6= 10 (only)