Category Archives: Uncategorized

St. Tammany Parish Mosquito Abatement Dismisses Lawsuit Against St. Tammany Parish Council

The St. Tammany Parish Mosquito Abatement District (STPMAD) announces that its Board of Commissioners has withdrawn the District’s lawsuit against the Parish Council—initially filed on November 6, 2025—following the Council’s recent decision to conclude the Government Efficiency Committee’s investigation into the agency. Throughout this process STPMAD repeatedly offered willingness to participate in an unbiased approach…

St. Tammany Parish Mosquito Abatement Files Lawsuit Against St. Tammany Parish Council for Unlawful Investigation

St. Tammany Parish voters have dedicated tax dollars for mosquito control services. These services are managed by a voluntary Board of Commissioners. Those services are in direct threat by actions undertaken by the St. Tammany Parish Council to conduct an uninformed investigation and smear campaign of how these dedicated funds are spent. On Wednesday, November…

Aerial Operations will resume for the 2023 mosquito season

In accordance with our federal Congested Area Plan, St. Tammany Parish Mosquito Abatement District is announcing that it will resume aerial operations for the 2023 mosquito season in the coming weeks when seasonal mosquito thresholds determine it is operationally needed.

Water Quality Associations with Mosquito Production

A four-year collaboration between the Pontchartrain Conservancy (PC) and St. Tammany Mosquito Abatement (STPMAD) on an EPA funded project has yielded importantfindings for our understanding of sewage-associated mosquitoes. The project area, Ponchitolawa Creek Watershed, drains approximately 9,441 acres in St. Tammany Parish and is a tributary of the Lower Tchefuncte River, which flows into Lake…

Larval Mosquitoes Race Each Other and Predators

Many mosquitoes exploit newly wetted and/or ephemeral habitats that are prone to dry up. This is likely due to the lack of competition from other organisms with which they compete for nutrients. Alternatively, ephemeral habitats offer a lower risk of predation from natural enemies that may have not had time to invade these habitats. In…

Larval mosquito development is temperature-dependent

Temperature and nutrients are the fuel for larval mosquito development. As ectotherms—relying upon ambient temperatures—the mosquito life cycle is dominated by temperature. Though the role of ambient temperature in mosquito development has likely been known to the scientific community for a half century or more, it was only recently that this knowledge led to a…

Operational Mosquito Abatement for Sewage-associated Mosquitoes

Larval Mosquito Control The temperature-dependent operations to kill larval mosquitoes are the frontline of our war on the southern house mosquito. Since larval and pupal mosquitoes can swim but not fly, eliminating mosquitoes from aquatic habitats is easier to target, less expensive, and more environmentally sensitive than killing adult mosquitoes. Also, a dead immature mosquito…

Researching Mosquito Trap Design for More Sensitive Surveillance

All mosquito control operations in St. Tammany Parish are evidence-based. This means that each mission is driven by inspection, trap, or complaint data. Efficient service to reduce biting rates of adult mosquitoes is reliant on the sensitive detection of where and when mosquitoes and the pathogens they transmit require treatment. In 2015, we began experimenting…

Package Wastewater Treatment Plants

The southern house mosquito doesn’t distinguish one source of sewage-polluted habitat from another. Wherever organically enriched water remains for more than seven days it could be producing vector mosquitoes. Sewage treatment facilities including those that treat large municipalities can be sources of southern house mosquito production. Though up to two-thirds of St. Tammany Parish relies…

Mosquitofish, the Not-so-secret Seapon

The Western Mosquitofish, Gambusia affinis, is the most widely distributed fish in the world and likely the single biggest mosquito predator. Undoubtedly, this diminutive fish, no larger than a few inches, has saved more human and animal lives from mosquito-transmitted diseases than any other organism — doctors included. For this reason, the mosquitofish is humanity’s…