First report of an exophilic Anopheles arabiensis population in Bissau City, Guinea-Bissau: recent introduction or sampling bias?

Table 1 Species distribution (in percentage) according to mosquito life-stage and collection site or method

		N	Anopheles arabiensis	Anopheles coluzzii	Anopheles gambiae	Admixed	Anopheles melas
Larvae	Puddles	210	52.9	10.5	24.8	11.9	0.0
Larvae	Puddles	210	[45.9-59.7]	[6.8-15.6]	[19.2-31.3]	[8.0-17.3]	[0.0-2.2]
	Rice field	16	68.8	0.0	6.3	25.0	0.0
	Rice field	16	[41.5-87.9]	[0.0-24.1]	[0.3-32-3]	[8.3-52.6]	[0.0-24.1]
	Subtotal	226	54.0	9.7	23.5	12.8	0.0
	Subtotal	226	[47.3-60.6]	[6.3-14.6]	[18.2-29.6]	[8.9-18.1]	[0.0-2.1]
Adults	LT	290	3.8	4.8	43.8	45.2	2.4
Adults	LT	290	[2.0-6.9]	[2.8-8.2]	[38.0-49.7]	[39.4-51.1]	[1.1-5.1]
	IR	44	22.7	4.5	43.2	25.0	4.5
	IR	44	[12.0-38.2]	[0.8-16.7]	[28.7-58.9]	[13.7-40.7]	[0.8-16.7]
	Subtotal	334	6.3	4.8	43.7	42.5	2.7
	Subtotal	334	[4.0-9.6]	[2.9-7.8]	[38.4-49.2]	[37.2-48.0]	[1.3-5.2]
Total		560	25.5	6.8	35.5	30.5	1.6
Total		560	[22.0-29.4]	[4.9-9.3]	[31.6-39.7]	[26.8-34.6]	[0.8-3.1]

N: sample size; LT: CDC light trap collection; IR: indoor resting collection. In square brackets: 95% confidence intervals.