Month/year of survey

An. culicifacies

An. fluviatilis

An. stephensi

PMHD

PSD

PMHD

PSD

PMHD

PSD

February 1997

8.75

17.0

0.17

0.12

0

0.21

November 1999

4.79

ND

0

ND

0

ND

April 2007

0.75

4.5

0

0

1.25

7.5

August 2014

18

56

0

7

0

0

Average

8.07

(0 - 27.5)

25.8

(0 - 56.0)

0.04

(0 - 0.5)

2.37

(0 - 7.0)

0.31

(0 - 2.5)

2.57

(0 - 7.5)