Wasp plague

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Paper wasps busy building and protecting their nest.
Paper wasps busy building and protecting their nest.

The wasp population has exploded along Hawke's Bay riverbanks.

It is not known why wasps have increased to such large numbers in these areas but there have been reports of similar problems in other parts of the country, Regional Council rivers manager Vince Byrne, said.

"If there's a large amount of wasps around, our advice is to leave the area, and certainly avoid going into the undergrowth where you may disturb a wasp nest,"

Wasp stings are painful and can result in severe allergy reactions which may require immediate medical attention.

The Regional Council is warning people to take care along river berm areas and to watch where their dogs go.

Mike Lintott of Carlyle Veterinary Clinic was not aware of any recent, local problems with dogs and wasps, but he knows that dogs have died when they have disturbed a nest and suffered multiple stings.

"If there are a number of wasps around, leave and walk the dog somewhere else. It's important to keep the dog under control so it doesn't get into undergrowth where the wasp nest may be," he advises.

Even a few wasps can be a problem for dogs, he said.

Dogs can snap at wasps and be stung around the muzzle or in their throat, which can result in throat swelling and breathing difficulties.

Hawke's Bay Regional Council does not eradicate wasps and these are not included in the regional pest management strategy.

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