Consultation on AQUABAC II XT Biological Larvicide, containing Bacillus thuringiensis subsp. Israelensis serotype H-14, strain BMP-144, Proposed Registration Decision PRD2026-07

Current status: Open

Opened on 20 April 2026 and will close for consultation on 4 June 2026.

Health Canada is proposing registration for the sale and use of AQUABAC II XT Biological Larvicide, containing Bacilllus thuringiensis subsp. israelensis serotype H-14, strain BMP-144, to control fungus gnats on greenhouse ornamentals (use-site category 6 – Greenhouse Non-Food). This evaluation was completed under the User Requested Minor Use Label Expansion program, which is a cooperative program between Agriculture and Agri-Food Canada and Health Canada and includes participation by sponsor groups, manufacturers, and both provincial and federal governments.

An evaluation of available scientific information found that, under the approved conditions of use, the health and environmental risks and the value of the pest control product is acceptable.

How to get involved

This consultation is open for comment from 20 April 2026 to 4 June 2026 (45 calendar days). Open the "Consultation Summary" to access the document.

If you would like to comment, see the Pesticides Regulatory Directorate Publications Section page for contact information. Please be sure to include the title of the consultation document on which you are commenting.

Health Canada will consider any written comments received from the public that are directly related to this proposed decision, such as comments directed to the science evaluation, in response to PRD2026-07 up to 45 days from the date of publication of this document (by 4 June 2026) before making a final decision on the proposed registration for AQUABAC II XT Biological Larvicide, containing Bacillus thuringiensis subsp. israelensis serotype H-14, strain BMP-144.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision for AQUABAC II XT Biological Larvicide, containing Bacillus thuringiensis subsp. israelensis serotype H-14, strain BMP-144 is finalized, Health Canada will post a Registration Decision on the Pesticides and Pest Management Reports and Publications portion of Canada.ca.

If you have any questions, contact the Pesticides Information Service.

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