ZAMIGARD BL contains Bacillus thuringiensis variety israelensis (Bti). Bti is a gram-positive, facultative anaerobic spore-forming bacterium with a proven history of efficacy against housefly larvae.

Bti produces protein crystals that, when consumed by the developing housefly larvae, rupture the gut wall and kill the larvaeZAMIGARD BL is a cost effective, safe, natural alternative to chemical larvicides and has no effect on non-dipterous flies and other beneficial organisms. ZAMIGARD BL is highly species specific and completely biodegradable so doesn’t persist in the environment and develop resistance.

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