Sounds like fire ants if they were stinging.
Yes, extremely large amounts of them. Red ants have a part of their body that detects a certain chemical. This chemical is on mostly in stadium mustard. In fact most people with stadium mustard complain about their being ants in it, so you should stay away from mustard.
When you squish an ant, it releases formic acid, which is a chemical that ants use for communication and defense. The smell that you notice is the result of this formic acid being released, and it gives ants their distinct odor.
Myrmecophobia- Fear of ants.
It will sting its enemy or use a chemical
Ants use chemical signals to impart information to each other. This can be information is generally about food or predators. When you see them following each other they are following a chemical trail not the ants in front of them.
Imidacloprid will kill ants that are in the area where it is applied. It will not kill their colony unless the chemical kills their queen.
By living in colonies they are protected in numbers. If their colony is attacked they 'swarm' the attacker and can bite. Red ants are more protected as their red body acts as a warning to predators and they can bite.
they leave chemical trails.
Ants use pheromones for communication.
Ants' sense of smell is located in their antennae. Antennae have specialized smell receptors that help ants detect pheromones and other chemical signals in their environment.
Ants - 2002 was released on: USA: 14 December 2002 (premiere)