Fogging to commence in Onslow Thursday 1 July

Published on Wednesday, 30 June 2021 at 10:58:45 AM

The Shire of Ashburton has continued to closely monitor mosquito activity in Onslow with trapping and treatment at several identified key locations.

We would like to advise Onslow residents that we will recommence with the fogging program that was postponed at the start of the month due to unfavourable weather conditions.

From Thursday 1 July, fogging will be conducted at dusk and dawn for a period of 10 days, subject to weather conditions.

The street fogging chemical is Aqua-K-Othrine, which is a non-residual pyrethroid insecticide (phenothrin) similar to most fly sprays. It can kill any insect that flies through the fog but has no residual effect and has low toxicity to humans, birds, and most mammals.

However, it can be toxic to cats, reptiles and aquatic organisms and humans should take the precaution of avoiding direct exposure to the fog where possible, keeping their cats indoors and covering outdoor fishponds during fogging.

Beekeepers with hives in residential areas are requested to notify the location of their hives by emailing [email protected].

Any community members who wish to opt-out of the street fogging are also requested to notify their address to the same email.

After this time, we will continue in accordance with our mosquito management plan and act accordingly.

Residents are advised that while initial fogging will kill biting midge, commonly referred to as sand flies, as the fog settles a short time after biting midge will return in large numbers.

For more information about mosquito prevention around your home and property, visit HealthyWA.


For media information contact:
Alison Lennon, Manager Media and Communications M: 0409 314 140 | E: [email protected]

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