Beginner Gardening: Horrible red ants, 1 by gardenwife

gardenwife wrote:
What are these ants, anyone know? It's hard IDing them from black and white drawings from the extension office website. Sorry the pictures aren't better, but they're really fast!

They don't appear to make mounds anywhere.
They are very fast.
They have a nasty bite.
They are colonizing rapidly!

I've never seen these ants before this year, and they are all over our property. Every day I notice them streaming into new areas of the yard, carrying eggs and pupa. It's awful.

First, a group from a distance: