The result is cool, but screw people doing that.
they are apparently doing the environment a favor https://en.wikipedia.org/wiki/Red_imported_fire_ant#Counterm...
Everyone is still going to be disgusted by the fact that you killed an elephant, or killed 10 million ants, for your fancy shmancy art piece.
A better analogy is cane toads in Australia. Those things have become such a threat to local wildlife, they are killed indiscriminantly. And yes, they are turned into 'art', even if they are tacky http://toadshop.com/7-all-items