They have us badly outnumbered, but there are ways to divert an invasion of ants without trying to eradicate them.
{mp3remote}http://media.krcb.org/audio/nbr/9-08-08.mp3{/mp3remote}
A close-up look at anArgentine ant.
There's a lot more information about common California ants and how to cope with them here.
For additional resources from the Sonoma County Master Gardeners, click here.