Technofreak: They don't like Black Flag.

We found one on the upper story of our place today after seeing a greater than usual number of wasps about.

The Nest (after I'd sprayed with Black Flag)

The dead wasps

Hey, I still have an All Blacks flag around since the 2011 RWC. Will that work?

Nah I don't think so, it'd probably just aggravate the wasps.