Table 3.

Abundance (mean =/− SEM) of Anopheles mosquitoes caught indoors in CDC light traps, by distance from Bwanje Valley Irrigation Scheme, Malawi

	Distance of house from the scheme
Species	≤ 1.5 km	1.5–3 km	≥ 3 km	Total
Anopheles arabiensis	6.8 (4.1–9.5)	5.1 (2.5–7.7)	0.8 (0.2–1.3)	4.0 (2.7–5.2)
Anopheles funestus	0.6 (0.3–0.8)	0.5 (0.2–0.8)	0.2 (0.0–0.4)	0.4 (0.3–0.6)
Culex spp.	1.5 (0.8–2.2)	1.4 (0.8–2.0)	1.2 (0.4–2.0)	1.3 (0.9–1.8)
All Anopheles mosquitoes	7.4 (4.6–10.2)	5.6 (2.9–8.3)	1.0 (0.3–1.7)	4.4 (3.1–5.6)

SEM = standard error of the mean.