Big ants!!

Donno what is going on but recently there are many huge, I mean HUGE, red ant at the bus-stop at my house there... The sight of them really send chills up my spine... horrible... scary... they are like 10 times bigger than the usual red ants... and there is a lot of them... like an army... everywhere... so eery... everytime I see them I'll feel thing crawling on me... Aarrgghh!!!