Ponyville has a secret: A fifth of its population are disguised changelings. And nopony would have been the wiser, if it weren't for a certain ill-fated invasion broadcasting their species' existence to all of Equestria. It'll be a long few days for Queen Phacelia.

Eusociality is a My Little Pony fanfic I'm writing! You can read it here https://www.fimfiction.net/story/581004/eusociality

As an aside, I'm currently on my way to this year's Galacon! So if you find me, come say hi! Just please be patient, I'll be horrible and jetlagged after a 55+ hour trip