Volume 11, Number 9—September 2005
Research
West Nile Virus–infected Mosquitoes, Louisiana, 2002
Table 3
Population densities of selected mosquito species at West Nile virus (WNV) case-patient and non–case-patient residences*
| No. of mosquitoes collected per trap night (LT/GT)† |
||||
|---|---|---|---|---|
| Culex quinquefasciatus | Cx. salinarius | Aedes albopictus | Coquillettidia perturbans | |
| St. Tammany | ||||
| A | 1.7/21.7 | 1.6/0.05 | 1.8/1.2 | 0.2/0 |
| B | 0.5/3.7 | 1.5/0.1 | 0.9/1.7 | 0/0 |
| C | 0.3/17.4 | 2.6/0 | 1.5/1.0 | 0/0 |
| D | 0.6/18.1 | 1.0/0 | 1.6/2.8 | 0/0 |
| E | 3.7/44.1 | 5.4/0.06 | 2.2/3.0 | 0/0 |
| F | 1.0/19.4 | 5.0/0 | 2.8/2.1 | 0/0 |
| I | 1.3/15.7 | 3.2/0 | 2.4/2.9 | 0/0 |
| J | 2.3/39.3 | 6.7/0.3 | 2.3/0.3 | 0/0 |
| K | 1.5/12.2 | 1.0/0 | 9.8/11.2 | 0.2/0 |
| g | 4.4/59.6 | 6.7/0.07 | 4.1/3.6 | 0/0 |
| l | 6.5/105.0 | 0.5/0 | 4.5/35.5 | 0.5/0 |
| m | 7.0/142.8 | 0/0 | 0.8/0.3 | 0/0 |
| Tangipahoa | ||||
| A | 0.02/0.4 | 6.4/1.0 | 0.7/1.9 | 17.7/1.6 |
| B | 3.2/15.1 | 8.0/1.2 | 5.2/8.5 | 16.2/0.3 |
*Capital letters denote confirmed WNV neuroinvasive disease and WNV fever case sites; italicized lower case letters denote non-WNV case sites.
†LT, light trap; GT, gravid trap; only night collections used for trap night calculations.
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