Table 3.

Average ± SE percentage mortality of field-collected An. gambiae s.l larvae due to different rates of A. indica seed oil and Temephos (Abate) with the chemical name of O,O′-(thiodi-4,1-phenylene) bis(O,O-dimethyl phosphorothioate) with three observation times in simulated field conditions.

Treatment	Concentration (ppm)	Average + SE at 24 h	Average + SE at 48 h	Average + SE at 72 h
A. indica seed oil	25	8.33 ± 0.33d	16.66 ± 0.33c	21.66 ± 0.33c
	50	23.33 ± 0.33c	46.00 ± 0.57b	53.33 ± 0.33b
	75	43.33 ± 0.33b	63.33 ± 0,33a	68.33 ± 0.66a
Temephos (Abate)	25	100 ± 0.00a	Nob	Nob
	50	100 ± 0.00a	Nob	Nob
	75	100 ± 0.00a	Nob	Nob
Control	Untreated	0.00 ± 0.00e	0.00 ± 0.00d	00 ± 0.00d

Note: Average within a column followed by a different letter is significantly different p < 0.05%, Tukey's honestly significant difference (HSD) test. Nob = no observation.