Table 5: Average Aedes  aegypti pupal productivity/demographic profile according to the category of larval container habitats in São Sebastião, State of São Paulo, Brazil (October 2002–April 2003, and October 2003–April 2004). Note that container categories are sorted according to decreasing frequency of larval positivity as in Table 4. The “Other” category of removable containers shown in Table 4 was excluded from this table as it only represented 0.3% of all positive containers.

Container categoryContainers* per hectarePupae per hectarePupae per personProportion of thresholdRelative importance

Fixed
Bromeliads/plant Hollows0.790.660.360.160.04
Boats/ships0.462.091.130.520.13
Water tanks0.370.440.240.110.03
Drains0.361.060.570.270.07
Sanitation fixtures0.340.290.160.070.02
Concrete structures0.211.190.640.300.08

Subtotal fixed2.535.723.101.430.37

Removable
Plastic items1.363.561.930.890.23
Metallic items0.745.462.961.370.35
Vases0.630.140.080.040.01
Tyres0.180.320.170.080.02
Aquatic plants0.140.160.090.040.01
Glass items0.110.140.080.040.01

Subtotal removable3.169.795.302.460.63

Total5.6915.518.403.891.00

Positive containers.