Table 1: Data on dengue vectors collected during pre- and post-monsoon seasons from different higher altitudes of the nilgiris.

Locality (Nilgiris)Pre-monsoonPost-monsoon
Ae. aegypti Ae. albopictus Ae. aegypti Ae. albopictus

Mettupalayam (hilly terrain) (300 mts)35305115
Kallar (400 mts)310327
Burliar (900 mts)2191031
Marapalam (1050 mts)2050
Coonoor (1800 mts)2020
Total 44597173