Filariasis Control in Coastal Nigeria: Predictive Significance of Baseline Entomological Indices of Anopheles gambiae s.l. (Diptera: Culicidae)
Table 1
Monthly entomological indices for Anopheles gambiae in the costal Nigeria based on human landing catch.
Month
Number of days
Number of A. gambiae females
Number of L3s
MBRb
MTPc
Collection dissected (%)
parous (%)
infective (%)
(L3/inf.)a
September 2005
4
468
328 (70.1)
120 (36.6)
0 (0)
0 (0.0)
1755
0.0
October 2005
4
416
290 (69.7)
112 (38.6)
3 (1.0)
5 (1.7)
1612
27.8
November 2005
5
293
193 (63.9)
132 (68.4)
1 (0.5)
2 (0.5)
879
9.1
December 2005
5
211
169 (80.1)
73 (43.2)
0 (0.0)
0 (0.0)
654
0.0
January 2006
4
238
191 (80.3)
110 (57.6)
1 (0.5)
2 (0.5)
922
9.7
February 2006
4
235
203 (86.4)
88 (43.3)
0 (0.0)
0 (0.0)
852
0.0
March 2006
4
288
217 (75.3)
89 (41.0)
0 (0.0)
0 (0.0)
1116
0.0
April 2006
4
367
330 (89.9)
114 (35.5)
2 (0.6)
2 (1.0)
1376
8.3
May 2006
6
566
412 (72.8)
141 (34.2)
0 (0.0)
0 (0.0)
1462
0.0
June 2006
4
763
652 (85.5)
271 (41.6)
2 (0.3)
3 (1.5)
2861
13.2
July 2006
4
838
733 (87.5)
287 (39.2)
2 (0.3)
2 (1.0)
3247
8.9
August 2006
4
1130
975 (86.3)
325 (33.3)
2 (0.2)
2 (1.0)
4379
9.0
Total
52
5813
4693 (80.7)
1862 (39.7)
13 (0.3)
18 (1.4)
21115d
86.0e
a
L3/inf.: number of L3 per infective A. gambiae.
bMBR: monthly biting rate.
CMTP: monthly transmission potential.
dABR: annual biting rate.
eATP: annual transmission potential.
