Doktor Doom 90-Day Mosquito Larva Killer

Doktor Doom 90-Day Mosquito Larva Killer

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  • A formulation of the insect growth regulator novaluron for control of mosquito larvae for up to 90 days per briquet
  • Eliminates mosquito larvae that may cause West Nile virus, Zika virus, malaria, dengue fever and other mosquito-borne diseases in up to 200 litres of water
  • Ideal for use in rain barrels, ponds, bird baths, flooded depressions, pool covers, tires and wherever else there is free-standing water
  • Active Ingredient: Novaluron (0.12%)

General Information: Doktor Doom 90-Day Mosquito Larva Killer prevents the emergence of adult mosquitos (excluding Mansonia spp. and Coquillettida spp.) from standing bodies of water containing 100 litres or more of water by preventing the development of their aquatic immature life-stages. Doktor Doom 90-Day Mosquito Larva Killer affects developing immature stages of mosquitoes by disrupting the molting process. Consequently, adult mosquitos and beneficial species are not affected by Doktor Doom 90-Day Mosquito Larva Killer. For best results, read all directions and recommendations thoroughly.


Doktor Doom 90-Day Mosquito Larva Killer is formulated into briquets which disintegrate and release novaluron into the standing body of water to control mosquito larvae (excluding Mansonia spp. and Coquillettida spp.) for up to 90 days. The period for control of mosquito larvae may be reduced in areas of high water turnover or high organic matter content.

Application Sites: Doktor Doom 90-Day Mosquito Larva Killer may only be applied to sites which do not drain into natural water bodies. DO NOT apply this product to permanent natural water bodies such as lakes, rivers, streams, creeks, dugouts, or ponds as these may contain sensitive aquatic invertebrates. DO NOT apply this product to any water that is designed to flow beyond your property limits (for example, ditches, drains/drainage areas, rain gutters or catch basin sumps that flow into weeping tile beds or municipal storm drain systems). BEFORE APPLYING THIS PRODUCT to a water body where there is a possibility of outflow beyond your property limits, contact your provincial/territorial regulatory authority as a permit may be required. To help prevent mosquito infestations on your property, get rid of mosquito breeding sites. Do this by emptying, flushing or draining containers and standing water wherever practical, at least weekly or more frequently if mosquito larvae are present. For example, remove leaf litter from rain gutters, drill holes in bottoms of tire swings or discarded tires, empty water collected on pool covers, turn over wheelbarrows and other containers, empty trapped water from recycling bins or trash containers, cover rain barrels with fly screen netting, replace water in bird baths and chlorinated swimming pools.

Application Rates: See product packaging

Timing: Doktor Doom 90-Day Mosquito Larva Killer affects larval stages of mosquitos only, so begin treatment at the beginning of the mosquito breeding season in spring. To detect the presence of mosquito larvae, look closely for larvae moving in an "S" pattern at the water surface. Doktor Doom 90-Day Mosquito Larva Killer provides up to 90 days of mosquito larva control in sites with limited turnover of water. Re-treat every 9 days if mosquito larvae are still present. The retreatment interval may be shorter in areas of high water turnover or in areas with high organic matter. Treatments may continue until the last mosquito brood of the season as dictated by monitoring.

Application Method: Apply to the specified application sites by hand, since the product is not suitable for dispersal through any equipment.

Precautions: KEEP OUT OF REACH OF CHILDREN. May irritate eyes. Avoid contact with skin, eyes, or clothing. Do not use on food crops. Do not use treated water to irrigate food crops. Do not apply to water bodies where swimming is possible, including swimming pools. Do not use in water which may be used for immediate human or livestock drinking purposes. Avoid contamination of aquatic systems other than the target areas during the application of this product. Do not contaminate these non-target aquatic systems through direct application, disposal of waste, or cleaning equipment.

First Aid: If swallowed: call a poison control center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by a poison control center or doctor. Do not give anything by mouth to an unconscious person. If in eyes: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye. Call a poison control center or a doctor for treatment advice. If on skin or clothing: Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. Call a poison control center or a doctor for treatment advice. If inhaled: Move person to fresh air. If person is not breathing, call 911 or an ambulance, then give artificial respiration, preferably by mouth to mouth if possible. Call a poison control center or a doctor for treatment advice. Take the container label or product name and Pest Control Product Registration Number with you when seeking medical attention.

Environmental Precautions: This pesticide is toxic to aquatic invertebrates. Aquatic invertebrates may be killed at application rates recommended on this label. Do not apply where these are important resources. Do not contaminate irrigation or drinking water supplies or aquatic habitats by cleaning of equipment or disposal of wastes. 

Storage: store in a cool dry place and away from direct sunlight. Do not contaminate food, water or feed by storage or disposal.

Disposal: Do not reuse the empty containers. Dispose in household garbage. Unused or partially used product should be disposed at provincially or municipally designated hazardous waste disposal sites.

Notice to user: This pest control product is to be used only in accordance with the directions on the label. It is an offense under the Pest Control Products Act to use this product in a way that is inconsistent with the directions on the label.