You see sweet, innocent ants!
I see a tyrannical system of monarchy led my a malevolent ruler whom forces her subjects to scavenge the Endless Span (large park...) for sustenance!
While knowing about the massive threats that live above!
Including the SCREECHING WHITE BANSHEE! With her evil hissing mist of stinging...EVIL!
(Rarity and a bottle of pepper-spray.)
I'm such a nerd...xD
And where you see a system of cruel exploitation of hapless serfs for the benefit of a lethargic reproductive elite, I see a destructive collective hell-bent on total domination!
These are no innocent souls yoked into slavery, but a swarm of pitiless soldiers biologically programmed to destroy all that does not accept their rule! They march far and wide, burrow beneath our very feet, take what they want, and instinctively attack all that are unlike themselves!
Ants are nature's genocidal fascists!
Although your idea was pretty good too.
Aha, but if that were true, we would be ready.
In the time you took to state this idea...or for me to read it aloud, a small group of gardener-ponies have taken up arms! Their flyswatters, horseshoes and even their cat-projectiles are prepped to spill the small amounts of blood their tiny, malicious bodies hold.
the Bingo-Night Garden Club shant be deterred by their sheer forces, even if billions of the marauding ants fill up a 5 by 5 square foot space, we shall stand tall! With Granny Smith taking the front, we shall drive their forces from this land! We shall search every flowerpot! Every gutter! EVERY HANGING UNDERGARMENT! Until all of the little devils are eliminated, for the sake of Equestria, we shall not falter! Will you join us, brother?! The fate of Equestria hangs in the balance! (plus we need a helper for Roseluck's grandmother.)
(Such a long comment...well, at least I got that outta my system...er...FOR EQUESTRIA!)