Larvicide for Mosquitoes

The City of Columbia is committed to providing public health services that prevent epidemics and the spread of disease, protect against environmental hazards, promote healthy behaviors, prevent injuries and illness, assure the quality and accessibility of health services, monitor the health of the population, provide social services and promote and protect civil rights.

Mosquitoes Larvicide

What is larvicide?

Larvicide is a biological method of controlling mosquitoes populations. It contains a bacteria that is eaten by mosquito larvae and prevents them from developing into adult mosquitoes.

It should be applied to standing water such as bird baths, tree holes, ponds etc.

What kind of larvicide does Columbia use?

Columbia/Boone County Department of Public Health and Human Services Environmental Health Division currently uses VectoBac® and VectoLex® and Altosid®.

You can get larvicide at ...

home improvement stores
the Health Department has Mosquito Dunks® available for free to Boone County residents
- the dunks are made of a biological larvicide that kills mosquito larvae for 30 days or longer
- they can be used whole or broken up to treat standing water that may be found in containers such as bird baths, flower pots, and unused swimming pools
- supply is limited to one packet per household

Return to the Environmental Health Division Homepage or return to the Columbia/Boone County Department of Public Health and Human Services Homepage