Application of copper-based ovitraps in local houses in West Sumatra, Indonesia: a field test of a simple and affordable larvicide for mosquito control

Table 1 Larvae distribution in copper treated ovitraps (10 ppm) vs control (0 ppm) placed in 21 houses in Painan City, West Sumatra, Indonesia

House	Control		Indoor pot 1		Indoor pot 2		Outdoor pot 1		Outdoor pot 2
House	Viable	Dead	Viable	Dead	Viable	Dead	Viable	Dead	Viable	Dead
1	1	0	–^a	–^a	0	24	0	1	0	3
2	–^a	–^a	0	11	0	11	0	0	0	15
3	46	0	0	23	0	5	0	42	0	38
4	38	0	0	23	0	29	0	0	0	0
5	21	0	0	42	0	43	0	15	0	30
6	0	0	0	10	0	0	0	0	0	0
7	77	0	0	35	0	0	40^b	481	28^b	500
8	0	0	0	86	0	61	0	6	0	20
9	55	0	0	100	0	53	0	15	0	109
10	–^a	–^a	0	0	0	60	0	12	0	22
11	–^a	–^a	0	0	–^a	–^a	0	63	–^a	–^a
12	0	0	0	2	0	5	0	0	0	0
13	0	0	0	300	0	0	0	2	0	15
14	204	0	0	92	0	0	0	84	0	0
15	200	0	0	58	0	109	0	205	0	30
16	55	0	0	408	0	49	0	50	0	80
17	0	0	0	10	0	50	0	150	0	0
18	103	0	0	20	0	0	0	0	0	50
19	–^a	–^a	–^a	–^a	–^a	–^a	–^a	–^a	–^a	–^a
20	75	0	0	0	0	0	0	120	0	0
21	0	0	0	92	0	0	0	0	0	65
Larva-positive pots (%)	11/17	0/17	0/19	16/19	0/19	12/19	1/20	14/20	1/19	13/19
Larva-positive pots (%)	(64.7)	(0)	(0)	(84.2)	(0)	(63.2)	(5.0)	(70.0)	(5.3)	(68.4)
Total no. of larvae (mean)	875	0	0	1312	0	499	40	1246	28	977
Total no. of larvae (mean)	(51.3)	(0)	(0)	(69.1)	(0)	(26.3)	(2.0)	(62.3)	(1.5)	(51.4)

ISSN: 1349-4147