None, they prefer Natural Light
Just two, as long as they can find a way in.
A light bulb weighs about 50g and a single ant can lift about .2g, so it takes somewhere around 250 ants working together.
Look a squirrel!
You can unscrew the light bulb. - Steve Martin, "My Blue Heaven"
None, they prefer natural light
He was trying to get some Natural Light.