Changes

<li>The Ministry of the Envionment and Climate Change permit just two larvicides to be used to kill mosquito larvae growing in the water[http://www.omafra.gov.on.ca/english/livestock/horses/facts/info_mosq.htm#larvicides]:

<li>The Ministry of the Envionment and Climate Change permit just two larvicides to be used to kill mosquito larvae growing in the water[http://www.omafra.gov.on.ca/english/livestock/horses/facts/info_mosq.htm#larvicides]:

<ol>

<ol>

<li><strong>Bacillus thuringiensis israeliensis (Bti):</strong>Note that provincial regulations permit only granular application, rather than 'dunks' or 'pucks' available elsewhere. This means frequent application may be necessary,</li>

<li><strong>Bacillus thuringiensis israeliensis (Bti)</strong>Note that provincial regulations permit only granular application, rather than 'dunks' or 'pucks' available elsewhere. This means frequent application may be necessary,</li>

<li><strong>Methoprene:</strong>This product can only be used by licensed individuals as it is slightly toxic to some fish species. </li>

<li><strong>Methoprene</strong>This product can only be used by licensed individuals as it is slightly toxic to some fish species. </li>

</ol>

</ol>

<li><strong>Mineral oil or liquid soap</strong>can disrupt mosquito larvae at the surface of the water in residential [[Rain Barrels|rain barrels]].   

<li><strong>Mineral oil or liquid soap</strong> A small quantity of either one of these will disrupt mosquito larvae at the surface of the water. This can be effective in residential [[Rain Barrels|rain barrels]], but requires regular application.</li>    

</ul>

</ul>

<p>Airborne adulticides for mosquito control are permitted for use in Ontario. But their use is not recommended for most forms of stormwater control. Encouraging populations of bats, birds, dragonflies and other natural predators is worthwhile for improving biodiversity.  

<p>Airborne adulticides for mosquito control are permitted for use in Ontario. But their use is not recommended for most forms of stormwater control. Encouraging populations of bats, birds, dragonflies and other natural predators is worthwhile for improving biodiversity.