[raybbr]

Last year, the crazy ant species was identified as Nylanderia fulva, which hails from northern Argentina and southern Brazil...

Probably came in through someone's luggage or backpack...

[SampleMan]

Probably came in through someone's luggage or backpack...

Not likely. Like Asian termites, fire ants, zebra clams, etc., if its not a pet, it came here in large shipments of of commodity items (soil, ore, wood, etc.) or in bilge water.