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Charlie Ban
County News Digital Editor & Senior Writer
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June 29, 2026
During the earliest days of the COVID-19 pandemic, the New Orleans Mosquito, Termite and Rodent Control Board had a crucial routine — feeding the rats of the French Quarter
While the shutdown of restaurants and bars had the rat population on the ropes, the personnel in charge of controlling pests knew that a failure to keep the rats’ routine intact could mean a massive migration into residential areas throughout Orleans Parish, La. and opening a whole new can of worms
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NACo Annual Conference attendees had a chance to see how the department handles pests that could easily spread disease, particularly in a hospitality and port city that brings in visitors, and sometimes stowaways, from all over the world. Monday will offer a second tour of the Mosquito, Termite and Rodent Control Board, tentatively scheduled to leave at 2:30 p.m. from the convention center
Paid for by the city and parish’s general fund, the department has made substantial investments that allow it to better fight the spread of disease. While accepting free genetic analysis at Louisiana State University might seem like a no-brainer, doing in-house testing of mosquitos has a distinct advantage when looking for West Nile, Eastern Equine Encephalitis and St. Louis Encephalitis
“If we set traps Monday, pick them up Tuesday, we have our answers by lunchtime Wednesday,” said Assistant Director Carrie Cottone. “If we sent them away, we’d get our results on Friday. That’s 72 additional hours when infected mosquitoes are potentially biting and infecting people.”
It also saves overtime costs if results on a Friday require a heavy spraying response.
A helicopter allows for precision spraying for adult mosquitos and larvae, and a GIS mapping program allows the department to track its chemical usage.
“Our inspectors have tablets in their vehicles and every one of these dots, red and green, that’s where we’ve seen a water issue — whether it’s construction, waste tires, abandoned pools, fountains, natural divots in the ground that hold water,” said entomologist Alexandros Pavlakis. “The important part isn’t that we track it and know it, but we also report this to other agencies — water board, sanitation, code enforcement — so we can get that information and get those priority issues dealt with rather than just going back and using chemicals.”
The department’s annual NOLA Bugfest offers fun and educational activities for children and a chance to have serious conversations with parents
“It’s a chance to ask if they have a termite contact on their house, why that’s important and if they’ve looked through their yard to see if they have any standing water collecting in their kids’ toys,” Cottone said.
As for the rats of the French Quarter, once business resumed as the pandemic receded, so did their population. But when the rest of the world was dealing with plenty, a rat invasion wasn’t part of it
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Protecting Public Health: Vector Disease Management and Mosquito Emergency Response
Jun 21
County leaders are working across different sectors to coordinate programs and services that impact the well-being of communities, especially when it comes to the strong connection between the environment and public health. Insects like mosquitoes not only are an environmental nuisance, but they may also carry vector-borne diseases that threaten public health. Learn from Vector Disease Control International (VDCI) and local leaders to understand the importance of a comprehensive Integrated Mosquito Management (IMM) program and how counties can improve community health through vector disease management programs.
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