Table 1.

Induced sterility in five varying age groups of Ae. aegypti pupae following irradiation at 40 Gy

	Control	Pupal age
		45–50 h	42–45 h	26–42 h	20–24 h	10–24 h
No. of reps	3	2	2	2	2	2
Gy	0	40	40	40	40	40
n	1942	507	799	1203	793	1262
avg (HR)	0.80	0.05	0.04	0.03	0.02	0.01
SE	0.01	0.00	0.00	0.00	0.00	0.00
IS	0.00a	93.45b	95.37c	96.44cd	96.91d	98.93e

Abbreviations: n, total no. of eggs; avg HR, average hatch rate; reps, repetitions; SE, standard error; IS, induced sterility

Note: Values followed by different superscript letters are significantly different (P < 0.05)