The Cleary Chemical Ecologix Division announces the launch of Sentry Mosquito Biolarvicide Granule. Sentry contains the active ingredient Bacillus thuringiensis israelensis (Bti) a natural soil bacterium that targets the mosquito larvae and prevents the development of breeding and biting adults. Sentry Biolarvicide Granule is packaged in convenient 10 pound bags as well as a novel 8 oz Tip N Measure bottle. Sentry has a broad label and can be used in areas as small as birdbaths or as large as lakes.