Table 2.

Mean number of An. gambiae s.l. (± SE) females and males caught in six replicates using 26 flowering plant species as attractants.

	Females			Males
Plant species	Mean ± SE	P	Attraction indexa	Mean ± SE	P	Attraction indexa
A. macrostachya	105.83 ± 16.12	< 0.01	19.24	41.33 ± 9.18	< 0.01	14.76
A. albida	76.83 ± 12.35	< 0.01	13.97	27.83 ± 7.30	< 0.05	9.94
B. angustifolia	64.00 ± 9.69	< 0.01	11.64	34.67 ± 6.88	< 0.01	12.38
Z. mauritiana	51.17 ± 12.64	< 0.05	9.30	22.33 ± 7.37	< 0.05	7.98
G. senegalensis	36.67 ± 8.29	< 0.05	6.67	18.83 ± 4.32	< 0.05	6.73
A. senegal	23.67 ± 4.16	< 0.05	4.30	13.17 ± 2.73	< 0.05	4.70
A. nilotica	19.83 ± 4.41	< 0.05	3.61	11.83 ± 2.42	< 0.05	4.23
L. pyrotechnica	16.17 ± 4.09	< 0.05	2.94	12.50 ± 2.91	< 0.05	4.46
Crotalaria sp.	9.17 ± 1.74	< 0.05	1.67	8.67 ± 2.57	NS	3.10
G. gynandra	8.50 ± 1.61	NS	1.55	5.33 ± 1.28	NS	1.90
M. scaber	7.83 ± 2.00	NS	1.42	3.83 ± 0.40	NS	1.37
C. tora	7.00 ± 1.24	NS	1.27	3.5 ± 0.72	NS	1.25
R. communis	6.50 ± 1.71	NS	1.18	3.67 ± 1.43	NS	1.31
C. occidentalis	6.33 ± 1.28	NS	1.15	4.00 ± 0.63	NS	1.43
C. siamea	6.17 ± 1.76	NS	1.12	2.50 ± 1.06	NS	0.89
S. indicum	6.00 ± 1.24	NS	1.09	3.17 ± 0.83	NS	1.13
S. hermontheca	5.67 ± 1.15	NS	1.03	2.00 ± 0.45	NS	0.71
R. adenophylla	5.67 ± 1.17	NS	1.03	3.00 ± 0.73	NS	1.07
P. acculeata	5.50 ± 0.92	NS	1.00	2.67 ± 0.49	NS	0.95
M. ciliatum	5.33 ± 1.33	NS	0.97	3.33 ± 0.61	NS	1.19
C. zambesicus	5.17 ± 1.14	NS	0.94	2.33 ± 0.67	NS	0.83
J. tamnifolia	4.83 ± 1.01	NS	0.88	2.33 ± 0.92	NS	0.83
H. sabdarifa	4.83 ± 0.65	NS	0.88	2.17 ± 0.48	NS	0.78
C. procera	4.67 ± 1.23	NS	0.85	2.50 ± 1.02	NS	0.89
I. astragalina	4.33 ± 0.99	NS	0.79	2.83 ± 0.60	NS	1.01
H. suaveolens	2.00 ± 0.58	< 0.05	0.36	0.33 ± 0.20	< 0.05	0.12
Control
water	5.5 ± 0.90	-	1.00	2.79 ± 0.68	-	1.00
sugar solution	5.93 ± 1.12	= 0.63	1.08	3.21 ± 0.72	= 0.44	1.15

^a Attraction index: mean baited/mean baited by water-soaked sponge (control)

NS-not significantly different from water-soaked sponge mean catch (t-test).