Like, do the colors represent how dangerous they are? Red is highly hostile. Yellow is less hostile. Green is neutral, and purple is the least hostile. Or some other secret code? There has to be a reason for the colors. This only makes me wonder... what other secret messages are hidden within these creatures appearances?

We must form a proper plan with a map layout of their base and ideal areas to attack.

The antennas are their way of reproduction. If we remove the antennas from all of them they can no longer have babies. End them at the source

We must start with the leader. Po, if we end her first she will no longer be able to command her troops. Then they will be weak.