A Bug's Life = Western
This has probably been pointed out before, but watching ABL for about the 60th time, I realized that it's pretty much a western.
The ants are the townspeople, Hopper & his gang are the villainous curs that prey on them, and the circus bugs are the hired guns (ha!) brought in to restore justice.
OK, it doesn't completely hold up if you think too much about it, but the western-sounding theme music made me think about this.