Newspaper article The Florida Times Union

4th West Nile Has Glynn on Attack; More Use of Spraying and Larvicide; Technicians See Hope in Wet Areas

Newspaper article The Florida Times Union

4th West Nile Has Glynn on Attack; More Use of Spraying and Larvicide; Technicians See Hope in Wet Areas

Article excerpt

Byline: Terry Dickson

BRUNSWICK | With a fourth positive test for West Nile, Glynn County residents should assume that mosquitoes carrying the virus are throughout the county, county spokeswoman Candice Temple said.

The fourth positive test came from mosquitoes trapped on a site on Old Jesup Road north of Brunswick and was received Wednesday, Temple said.

"It could be anywhere. It's probably all over the county,'' she said.

So far, no one has been sickened this year from the virus that can be fatal as it was last year for two Glynn County residents.

The other three positive tests came from Fairway Oaks on the northeast side of Brunswick, Mallory Park on St. Simons Island and Selden Park on Brunswick's east side.

"We get these positive results back and let people know,'' so they can take precautions, Temple said.

As a result, Glynn County has stepped up its attacks on mosquitoes, mostly through the use of larvicide but also with some additional spraying, she said.

County Mosquito Control technicians Wallace Head and Chris Sobala were wading in flooded ditches and depressions Wednesday on Jekyll Island and St. Simons Island looking for mosquito larvae. The found a few small tadpoles, but not much more.

"That's good,'' Head said. "That means the larvicide we put out is working."

The area between the houses and the ocean on East Beach is a prime breeding area. The land has accreted through the years with dunes cutting off small ponds, most of which are dry until it rains. Mosquito eggs already laid hatch into larvae in the standing water which ultimately turn into clouds of adult mosquitoes.

The success of the larvicide was evident when they waded through a flooded pathway in the shade and began dipping water. Not only were there no larvae, there also weren't any mosquitoes that would have typically swarmed them in the shade.

As they worked the field, lab technician Don Hubbard was peering through a microscope looking culex quinquefasciatus, the species commonly known as the southern house mosquito that carries West Nile. They're easily recognizable by the half moon designs on the abdomens, he said. …

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