Journal of Mosquito Research, 2013, Vol.3, No.3, 14
-
20
ISSN 1927-646X
16
Table 3 Number and percent of different species of man-landing (indoor and outdoor together) mosquitoes collected during August
2009
to July 2010 in tribal and non-tribal areas of Bankura district, West Bengal, India
Tribal
Non-tribal
Species
Day-biting
Night-biting
Total
Day-biting
Night-biting
Total
No.
%
No.
%
No.
%
No.
%
No.
%
No.
%
1.
Ar. subalbatus
32
4.71
5
0.09 37 0.62
2617
69.29 560
3.67 3177 16.71
2.
An. annularis
0
0.00
0
0.00
0 0.00
0
0.00
8
0.05
8 0.04
3.
An.barbirostris
0
0.00
161
3.03 161 2.69
0
0.00 125
0.82
125 0.66
4.
An. subpictus
39
5.74
163
3.07 202 3.37
20
0.53 139
0.91
159 0.84
5.
An. vagus
179
26.32 1200
22.60 1379 23.03
97
2.57 1168
7.66 1265 6.65
6.
Cx.quinquefasciatus
209
30.74 2144
40.38 2353 39.29
635
16.81 11739
77.02 12374 65.06
7.
Cx.vishnui
group
221
32.50 1628
30.66 1849 30.87
97
2.57 1278
8.39 1375 7.23
8.
Ma. indiana
0
0.00
8
0.15
8 0.13
0
0.00 147
0.96
147 0.77
9.
St. aegypti
0
0.00
0
0.00
0 0.00
244
6.46 63
0.41
307 1.61
10.
St. albopictus
0
0.00
0
0.00
0 0.00
67
1.77 14
0.09
81 0.43
Total
680
100.00 5309 100.00 5989 100.00
3777
100.00 15241 100.00 19018 100.00
Table 4 Month wise number, percent and man-hour density of 24 hour man-landing
Ar. subalbatus
during August 2009 to July 2010
in tribal and non-tribal areas of Bankura district, West Bengal, India
Tribal
Non-tribal
Indoor
Outdoor
Total
Indoor
Outdoor
Total
Month
No.
%
No.
%
No.
%
Man-
hour
density
No.
%
No.
%
No.
%
Man-
hour
density
August
2 12.50
0
0.00
2 5.41 0.04
104 8.37 164 8.48 268
8.44 5.58
September
0
0.00
1
4.76
1 2.70 0.02
88 7.09 144 7.44 232
7.30 4.83
October
3 18.75
4 19.05
7 18.92 0.15
99 7.97 151 7.80 250
7.87 5.21
November
1
6.25
4 19.05
5 13.51 0.10
85 6.84 139 7.18 224
7.05 4.67
December
3 18.75
2
9.52
5 13.51 0.10
104 8.37 156 8.06 260
8.18 5.42
January
0
0.00
1
4.76
1 2.70 0.02
83 6.68 147 7.60 230
7.24 4.79
February
0
0.00
1
4.76
1 2.70 0.02
97 7.81 155 8.01 252
7.93 5.25
March
5 31.25
1
4.76
6 16.22 0.13
125 10.06 183 9.46 308
9.69 6.42
April
0
0.00
5 23.81
5 13.51 0.10
128 10.31 189 9.77 317
9.98 6.60
May
0
0.00
2
9.52
2 5.41 0.04
115 9.26 178 9.20 293
9.22 6.10
June
0
0.00
0
0.00
0 0.00 0.00
112 9.02 168 8.68 280
8.81 5.83
July
2 12.50
0
0.00
2 5.41 0.04
102 8.21 161 8.32 263
8.28 5.48
Total /Average*
16 100.00
21 100.00
37 100.00 0.06* 1242 100.00 1935 100.00 3177 100.00 5.52*
During man-landing collection, out of 5 989
mosquitoes of 7 species in tribal area and 19 018
mosquitoes of 10 species in non-tribal area,
Ar.
subalbatus
was 37 (0.62%) and 3 177 (16.71%)
respectively as shown in Table 3. The highest number
(5)
was collected indoors in March and outdoors (5) in
April in tribal study area. In non-tribal area the highest
numbers (128 and 189) were collected at indoors and
outdoors both in April. Average MHD of man-landing
mosquitoes was 0.06 and 5.52 in tribal and non-tribal
locations respectively (Table 4). In tribal area 12
(32.43%), 12 (32.43%)
and 13 (35.14%) man-landing
Ar. subalbatus
were collected during rainy, winter and
summer seasons respectively and in non-tribal area the
corresponding figures were 1 013 (31.89%), 966
(30.41%)
and 1 198 (37.71%) respectively (Figure 2).
Out of 24 hour man-landing collection, day-biting
Ar.
subalbatus
was 32 (4.71%) out of 680 (including
indoors and outdoors) and 2 617 (69.29%) out of 3
777
different mosquitoes in tribal and non-tribal
areas respectively, whereas corresponding figures
for night-biting
Ar. subalbatus
was 5 (0.09%) out of
5 309
and 560 (3.67%) out of 15 241 respectively
(
Table 3).