It started with some musing on those "cuties" of Starcraft, the Zerglings, and how they're actually anything but.
Seriously, the only reason they're considered weak and small is because they're always up against ten-foot suits of powered armor wielding automatic railguns. They've got six limbs capped with claws that would make a razor look dull and a mouth full of teeth to match, they can keep up with automobiles at distance and tear them apart in seconds, and they're the size of a small horse... Or pony.
I then realized that I really wanted to see a knock-down, drag-out brawl between a Zergling and Big Macintosh.
Within about a minute, I came up with a plot to facilitate this:
A young Zerg Queen (Not Kerrigan, one of the actual Queens) gets sucked through some dimensional rift-thing or other Negative Space Wedgie and lands completely alone in the Everfree Forrest, even cut off telepathically from the rest of the swarm. Naturally, she begins setting up her own hive, but these things take time, especially when she doesn't have the knowledge of her Sisters and Queen to draw from.
Regardless, she will overrun this strange, magical new world singlehandedly or die trying.
After all, that's what Zerg are supposed to do, right?

All in all, this is what usually happens when I start thinking about something. A pretty cool idea with great potential for character growth, possible insight into a culture seldom examined at any length (in this case, the Zerg), and practically demanding plenty of awesome fight scenes.
And I have no idea how to actually write the damn thing!
So if anyone here wants to give it a shot, please shoot me a link when it's up and credit me as inspiration. I'd rather have someone else publish this than let it waste away in my head as so many ideas before it.

This actually is very reminiscent of a story I attempted almost two years ago. It was more ambitious than my skills at the time allowed for, and I abandoned it after 100k words of meandering, occasionally good but mostly unfocused and uncoordinated word-vomit. THe premise, however, is quite similiar in that a zerg prescence establishes itself in the Everfree. In my version, There's no terran or protoss involved, though the ponies do develop resistances and recognizeable parallels for the escalaiting conflict, and have to recruit and arm their allies in dealing with it.

Since I really didn't and still do not want to write any ponies being excessively harmed (let alone killed), balancing out that with the natural bitey/stabby/killy tendencis of the zerg was interesting, to say the least. Still, drawing up the imagination for parrallel tech was really fun. Particularily having a cloud-fortress mothership for the very protoss-esque monster hunting specialist elite of Equestria, snow-fort bunkers along the edge of Ponyville, that sort of thing. Even Everfree itself poses some anti-zerg hazards; I do recall a mid-forest garden of petrified zergling statues i'd written in for the sake of having on.

Sorry, I'm wandering off topic here. As for this idea, it would be interesting to see how a zergling-only, very small and vulnerable (but hidden and isolated as well) hive cluster would match up against the home team. For once, its the lings that are outnumbered, but generally much tougher than any single average oppnenet. (so...they're basically the new zealots, My Life for Kekekekeke)

There's different approaches this could go. Does it become open war? Does it become a suspense thriller, with sightings and night skirmishes and mystery and fright and strange noises at the edge of the Forest. Does it become adventure and discovery and blasting a queen with friendship lazers?

Discussion could be fun~

P.s., Dash could take like, 3 lings in melee at once.

Lings will outnumber any force and are way stronger than ponies they tore through terran and protoss armor, the ponies stand a small chance against this they need to have air supremacy and keep it (which will be next to impossible)to stand a chance and I highly doubt battling lings in close range will be a success in killing ling and pony weaponry will do nothing against them magic is their one of their two advantages they probrably not make a dent on their armor without magic or lighting bolts lings will scout determine enemy strength then decide build up army or attack right away

There's different approaches this could go. Does it become open war? Does it become a suspense thriller, with sightings and night skirmishes and mystery and fright and strange noises at the edge of the Forest.

There's a story where a pony is assimilated into the Zerg Swarm here called Strokes of Fate (By Silbern), which kind of like a suspense thriller; I'd recommend you to read it.

On topic, I would like to take a stab at it, but with the amount of my free time... I wouldn't be able to do it.

If someone does write this, I could edit :)

-Powers

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Except this is literally just a standard, run-of-the-mill Queen with little to no experience. She would probably come with some basic instincts -how to make standard units and buildings, command her brood telepathically, and maybe even a bare-bone guide to manipulating Essence, but other than that she would be a complete n00b, and unlike other queens, she can't go look up strategy guides on the internet hivemind.