Let’s map invasive European Wasps

If you see any of these invasive wasps please record them on NatureMapr so we can see where they are a problem.

Native thynnid wasp
(flower wasp)

European wasp, photo Ali Rodway

Have you noticed the busy activity of wasps in the garden in late summer and autumn? Many of these are harmless and beneficial native wasps, like flower wasps. These perform an important role as pollinators and as biological pest control on the farm or in the garden. Some help control caterpillars which they feed to their larvae. Others lay their eggs in or on a range of host insects. The larvae hatch and eventually kill the host. There are wasps which parasitise leaf-eating scarab insects, pasture grubs and Christmas beetles and whitefly pests of tomatoes and cucumbers. So it’s worth loving your wasps.

Landholders and the Koori Work Crew here in the Bega Valley have recently reported seeing (and feeling the stings of) a less loveable wasp – the European wasp (Vespula germanica). This wasp is neither harmless nor beneficial. It poses a threat to local ecosystems, personal safety, recreational values and rural industries on the far south coast.

For more information read CMN April 2017 newsletter

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