Wasps can be problematic, particularly the common wasp (Vespula vulgaris) and the German wasp (Vespula germanica). They can pose significant problems for local ecosystems, agriculture, and even human health. Read on for information on the different varieties of wasps in New Zealand, the impact these wasps have on ecosystems, agriculture and on human health.

Common Wasp (Vespula vulgaris):

This is the most widespread species in New Zealand. It has a distinctive yellow and black colouring and is known for its aggressive behaviour, especially when defending its nest.

German Wasp (Vespula germanica):

Similar in appearance to the common wasp, the German wasp is also quite aggressive and can be found throughout New Zealand. It poses similar ecological and agricultural threats.

Paper Wasp (Polistes spp.):

Although less common, these wasps build open, umbrella-shaped nests and are generally less aggressive than the Vespula species.

Impact on Ecosystems:

Predation: Wasps can impact native insect populations and bird species by competing for food resources.

Pollination: Unlike bees, wasps are not significant pollinators and can disrupt the balance of local flora.

Impact on Agriculture:

Wasps can damage fruit crops by feeding on ripe fruits and can affect beekeepers by competing with honeybees for resources.

Human Health and Safety

Wasps can be aggressive, especially when their nests are disturbed, and their stings can be painful and pose risks, particularly for those with allergies.

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