Me need some sugestion about ants?!

I new on this forum.
My fist post is about ants.
I looking on web and find some species of ant bat i don't now what is best for my taste.
Can you tell me what species of ant have this feature:
Small colony (1000-5000) and big ant (Worker is 7mm or higher).

Thanks!
I new on this forum.
My fist post is about ants.
I looking on web and find some species of ant bat i don't now what is best for my taste.
Can you tell me what species of ant have this feature:
Small colony (1000-5000) and big ant (Worker is 7mm or higher).
Thanks!