Anopheles arabiensis in Sudan: a noticeable tolerance to urban polluted larval habitats associated with resistance to Temephos

Table 5 Lethal concentration 50% (LD₅₀) and 95% (LD₉₅) of An. arabiensis larval forms exposed to WHO discriminative doses of Temephos insecticides

Species	95% confidence limits LD₅₀ (lower–upper)	95% confidence limits LD₉₅ (lower–upper)	χ2 P value
An. arabiensis melanic form (M)	1.369 (1.263–1.481)	2.287 (2.053–2.653)	0.742
An. arabiensis normal form (N)	0.806 (0.612–0.941)	1.798 (1.547–2.337)	0.778
An. arabiensis in polluted habitats	1.682 (1.557–1.805)	2.785 (2.535–3.160)	0.072

ISSN: 1475-2875