European wasps are a summer and early autumn problem in Caroline Springs, and the estate's sleeper retaining walls, raised garden beds and roof voids give them plenty of places to nest. Unlike paper wasps, European wasps nest underground or inside cavities, so you usually cannot see the nest, just a steady stream of wasps in and out of one spot in a wall, a garden bed or the eaves.
Our tech finds the entry point, treats the nest with an insecticidal dust at the right time of day, and the colony is dead within a day or two. We do not seal the entry until the nest is finished, because a sealed live nest chews a new exit, sometimes into the house. If the nest is in a wall cavity or the roof we tell you what to expect and when it is safe to open things up. Paper wasp nests under eaves, on pergolas and in sheds get treated while we are there. Please do not try to flood or block a European wasp nest yourself; the colony defends it hard.