Table 2.

Observed percentage of mortality of Culex quinquefasciatus larvae exposure to neem oil-loaded chitosan/alginate/gelatin biodegradable polymeric capsules

Weight of the capsule with neem oil in 100 ml of running water	Number of larvae exposed	Number of larvae dead	Percentage of mortality	Probit for larvicidal	LD50	LD90
5 mg of capsule	50	14	28	4.42	16.32	44.10
10 mg of capsule	50	22	44	4.85
25 mg of capsule	50	34	68	5.47
50 mg of capsule	50	48	96	6.75

Mortality rate was analyzed using probit regression analysis