Mosquito Dunks^®

Mosquitoes lay their eggs directly in standing water or an area known to flood.  While the adult mosquito is a typical six legged, four winged, flying insect pest, their larvae only survive in an aquatic environment.  Mosquito Dunks^® are a microbial larvicide, which means it controls only the larval stage of development utilizing a bacterial active ingredient.  When placed in standing water the Dunks float and release a natural soil borne bacterium, Bti (Bacillus thuringiensis subspecies israeliensis).  This bacteria is ingested by the mosquito larvae within the water and soon after kills the mosquito larvae with no effect on anything else.  Mosquito Dunks^® slow release properties mean that they keep releasing the Bti for at least 30 days or more, effectively keeping mosquitoes from emerging and becoming biting, disease spreading adults.

While Mosquito Dunks® will kill all mosquito larvae in standing water, they are labeled for use in animal watering troughs, ponds, birdbaths, and other areas in which animals and pets will drink and bathe.   Mosquito Dunks® are also completely harmless to plants, fish, frogs, turtles and beneficial insects.

Mosquito Dunks® will remain effective for at least 30 days.  When the Mosquito Dunk® has completely disappeared, it is time to replace.

Mosquito Dunks are available in packs of 2, 6, and 20.  Each Dunk® treats up to 100 square feet of water (regardless of depth) and may be broken into smaller pieces for smaller treatment areas such as birdbaths or rain barrels.