It is necessary to eliminate all invasive fire ant colonies to eradicate the invasive population because;
Fire ants spread by winged members and by hitching rides so a single colony can cause infestation.
It is necessary to eradicate all invasive fire ant colonies to wipe out the invasive population considering that just a single colony may cause infestation.
A colony can cause infestation since fire ants spread by winged members and by hitching rides.