Table 4.
Key container and residence analyses in neighborhoods receiving SR treatments in 2003 and No-TRT during the 2002 and 2003 mosquito seasons in Raleigh, NC
No. pupae-positive residences (% of the total no. residences inspected) | CKR
|
PKR
|
||||
---|---|---|---|---|---|---|
Area | At least three pupae-positive containers in at least two surveys | At least three pupae-positive containers in at least three surveys | More than mean total standing crop of pupae per residence a | Mean total standing crop of 3100 pupae per residence | Mean total standing crop of 3200 pupae per residence | |
No. residences (% of total standing crop of pupae)–2002 mosquito season | ||||||
No-TRT | 50 (89.3) | 5 (34.5) | 2 (22.5) | 16 (77.7) | 6 (49.6) | 1 (13.4) |
| ||||||
No. residences (% of total standing crop of pupae)–2003 mosquito season | ||||||
No-TRT | 49 (87.5) | 11 (55.0) | 4 (26.1) | 13 (75.1) | 9 (62.5) | 2 (22.0) |
SR | 37 (84.1) | 10 (69.5) | 8 (51.8) | 13 (80.6) | 10 (71.3) | 2 (28.4) |
Threshold values were established using the mean total standing crop of pupae per residence: 2002, No-TRT ≥ 43 pupae; 2003, No-TRT ≥ 50 pupae; SR ≥ 71 pupae.