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Should Helicopters Spray for Mosquitos in Marin?

This week the Marin – Sonoma Mosquito and Vector Control District will use a helicopter to spray mosquito larvae in San Rafael and Novato.

 

Some Marin residents are abuzz over plans to spray mosquito larvae in San Rafael and Novato.

The Marin – Sonoma Mosquito and Vector Control District will use a helicopter on Wednesday or Thursday to fog for mosquito larvae at McInnis Park in San Rafael and Deer Island Basin in Novato, according to a report in the Marin Independent Journal.

An interactive map on the Marin – Sonoma Mosquito and Vector Control District website (see a screenshot of the map above) also showed fogging scheduled for part of Hamilton in Novato on Jan. 30. 

According to the district’s map, the materials to be applied include Vectobac 12AS and Altosid Liquid Larvicide. According to the IJ, the larvicide includes naturally occurring bacteria Bti (Bacillus thuringiensis israelensis) and methoprene, which regulates insect growth. 

Fairfax resident Frank Egger, a member of the district board, told the IJ that the board hadn’t voted on the spraying and he first learned of the spraying after getting a notice from the district Tuesday afternoon. 

Officials said mosquito larvae have been developing faster than in recent years and the targeted species are highly aggressive biters with long flight range, according to the IJ.

 

Do you support the district eliminating mosquito larvae? Are you worried about the spraying? Tell us in the comments!

 

Frank Egger February 02, 2013 at 04:05 PM
The question is how safe are the chemicals? According to the Material Safety Data Sheets (MSDS), Vectobac 12As is 11.61% Bti and 88.39% other (inert). Altosid A.L.L. SR20 is 20% Methoprene and 80% other (inert). When one asks what are the other (inert) ingredients, both the EPA and chemical manufacturers say they are Trade Secrets. Trade Secrets? We have a right to know what we are spraying and what we are being sprayed with.
J. Lee February 03, 2013 at 06:29 AM
anyone remember the unannounced, secret spraying 3 years back for supposed Light Apple Brown Moth irradiation that began in Monterey and Santa Cruz counties where so many got asthma it overwhelmed the medical clinics with plans secret plans to spray the whole Bay Area. This is a very disturbing trend. Who are these people who decide to spray 'trade secret' chemicals over our heads, upon our children with chemicals that induce growth disruption. And the representatives on the board that are supposed to be looking out for their constituents are not even informed of the spraying and then being told that it has happened previously??? Also, if you look at the Marin Sonoma Mosquito Vector Control website 5/7 tax dollars collected go to salaries and pensions!! Do you trust our government and the EPA? I don't for minute, nor should you. Demand accountability. Wake up Marin!
Elvis February 06, 2013 at 05:46 AM
the lobsters dying was a simple analogy. Most crustaceans and invertebrates are in peril when methoprene is used not to mention amphibians. I don't think it's a fair trade to damage an entire ecosystem because of human discomfort..
Elvis February 06, 2013 at 05:50 AM
Bti is rather benign except to the larva that eat it. Methoprene however should not be sprayed anywhere. It is believed to be the cause of 3 legged frogs. Why can't we get a say when chemicals that can harm more than just mosquitos are sprayed ? just sayin' "not cool".
Yvette Wakefield February 12, 2013 at 02:19 AM
Spraying to solve an immediate problem doesn't help if the long-term effect is harmful. We don't need any more poison in our environment.

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