Why are red ants called red ants?

Question: Why are red ants called red ants?
- Keywords:
  ant,
  red
Asked by anon-22966 to Amy, Sarah, Will on 21 Jun 2012.
- Amy Birch answered on 21 Jun 2012:
  
  Red ants are actually called fire ants, but they are commonly called red ants because they are a reddish colour! People usually try to name things very simply so as not to confuse all use biologists 🙂

Question: Why are red ants called red ants?