Wasps (Vulgaris and Germanica)


Wasps can pose a significant threat to public health and safety in Christchurch, New Zealand. Their aggressive behavior and painful stings can result in serious allergic reactions and disrupt outdoor activities. This report provides an overview of effective strategies for controlling wasp populations and minimizing their impact on the local community.

Understanding Wasps:

It is crucial to understand the different types of wasps commonly found in New Zealand. The two primary species are the German wasp (Vespula germanica) and the common wasp (Vespula vulgaris). These wasps are attracted to sugary foods and proteins and are known to build nests in various locations, including trees, buildings, and underground.

Early Detection and Reporting:

Prompt identification and reporting of wasp nests are essential for effective control. Encourage residents, businesses, and local authorities to be vigilant in identifying and reporting wasp nests to relevant authorities, such as local pest control agencies or city councils.

Professional Pest Control Services:

Engaging professional pest control services is often the most efficient and safe approach to wasp control. These experts possess the necessary knowledge, experience, and equipment to identify and eliminate wasp nests effectively. Local residents and authorities should maintain a list of licensed pest control providers and promote their utilization.

Public Education and Awareness:

Raising public awareness about wasp control measures is crucial in reducing the risk of stings and minimizing wasp populations. Public education campaigns can include:

1/ Informational brochures and posters highlighting wasp identification, nest locations, and appropriate actions to take when encountering wasps.

2/ Community workshops or seminars conducted by pest control professionals to educate residents on wasp control methods and safety precautions.

3/ Social media campaigns and local news articles to disseminate information on wasp control and prevention.

Wasp Nest Removal:

Identifying and removing wasp nests is a critical step in controlling the population. It is essential to consider safety precautions when attempting nest removal. The following guidelines should be followed:

1/ Nests located on or near public properties should be reported to the relevant authorities or pest control agencies for safe removal.

2/ Homeowners should seek professional assistance if they discover a wasp nest on their property. DIY removal is not recommended, especially for large or hard-to-reach nests.

Environmental Modifications:

Making certain environmental modifications can help discourage wasp nesting and foraging. These measures include:

1/ Sealing rubbish bins and ensuring they are tightly closed to prevent access to food sources.

2/ Clearing away fallen fruit from trees and maintaining a clean outdoor environment.

3/ Regularly inspecting and repairing gaps, cracks, and holes in buildings and structures where wasps might establish nests.

Wasp Traps:

Wasp traps can be an effective tool in reducing local wasp populations. These traps should be placed strategically in areas where wasps are most active, such as gardens, parks, and outdoor seating areas. Commercial wasp traps are available, or DIY traps can be made using sugary baits and vinegar or soapy water.

Biological Control:

Introducing biological control agents can offer long-term management of wasp populations. In New Zealand, the introduction of the wasp-specific parasitoid wasp (Pseudacteon tricuspis) has shown promise in reducing wasp numbers. Collaborate with local entomologists and scientists to explore the feasibility of implementing biological control methods.

Where to obtain professional advice


Melvyn or Kevin Gilbert. Phone. 03 3841636 (NEW ZEALAND)

Enquires and bookings

For inquires and free advice you can contact us via email admin@cpc.net.nz or on 03 384 1636 from 8.30am - 5pm Monday to Friday.

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03 3841636