A Challenge for a Unique Dengue Vector Control Programme: Assessment of the Spatial Variation of Insecticide Resistance Status amongst Aedes aegypti and Aedes albopictus Populations in Gampaha District, Sri Lanka

Table 2

Percentage mortality rates of Ae. albopictus larvae exposed to different concentrations of temephos.

Concentration (ppm)	Percentage mortality (%)
	Attanagalla	Dompe	Negombo
0.0625	(42.3-47.7)	(45.4-52.6)	(5.8–14.2)
0.0125	(75.5–79.5)	(55.0-61.0)	(47.8–52.2)
0.250	(82.3–87.7)	(65.5–70.5)	(62.1–65.9)
0.375	(98.0–100.0)	(76.5–83.5)	(83.4–86.6)
0.05		(98.0-100.0)	(98.0–100.0)