Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus
West Nile Virus in Overwintering Culex Mosquitoes, New York City, 2000
Table
Adult mosquitoes collected in overwintering sites, Queens and the Bronx, January and February 2000
Borough | Site | Species | No. mosquitoes |
---|---|---|---|
Queens | Tallman Island Sewage Plant | Culex pipiens | 1 |
Cx. restuans | 4 | ||
Cx. species | 74 | ||
Fort Totten | Cx. pipiensa | 1,034 | |
Cx. restuans | 11 | ||
Cx. erraticus | 1 | ||
Cx. territans | 1 | ||
Cx. speciesb | 1,045 | ||
Anopheles punctipennis | 2 | ||
An. species | 1 | ||
Other sites combined | Cx. pipiens | 24 | |
Cx. restuans | 4 | ||
The Bronx | Hunts Point Sewage Plant | Cx. species | 33 |
Other sites combined | Cx. pipiens | 145 | |
Cx. species |
3 |
||
Total | 2,383 |
aWest Nile (WN) viral RNA detected in two pools of specimens initially morphologically identified as Culex species and subsequently identified as Cx. pipiens by species-specific polymerase chain reaction (PCR). Live WN virus was isolated from one of these pools.
bWN viral RNA detected in one pool of specimens morphologically identified as Cx. species. Insufficient material was available to permit species identification by PCR.