Update: Deal over.

Spectracide Wasp and Hornet Killer3 2-20 oz value size (twin pack) – Link

Amazon has this currently marked down to just $5!

• INSECTS KILLED: Kills wasps, hornets and yellowjackets, as well as tent caterpillars, scorpions and ants
• TWIN PACK: Contains 2-20 ounce cans
• UP TO 27 FOOT JET SPRAY: Stand a safe distance from the nest while treating
• ELIMINATES THE NEST: Wait at least 24 hours before removing treated nests
• WHEN TO APPLY: Apply at sunset when insects are least active and stand with the wind at your back to avoid spray drift