Development and Life History of Sitophilus zeamais (Coleoptera: Curculionidae) on Cereal Crops

Table 1

Incubation, oviposition, longevity periods, and fecundity (±SE) of S. zeamais on cereal grains (24–30°C; 60 ± 10% RH; 12 h photophase).

	Oviposition period (ns)	Egg incubation period (ns)	Fecundity (ns)	Adult longevity
Maize	22.21 ± 0.50; (10–28)	5.25 ± 0.19; (3–7)	67.2 ± 3.16; (19–114)	122.3 ± 1.87; (99–135)
Rice	21.1 ± 2.75; (10–26)	5.14 ± 0.05; (3–7)	57.3 ± 4.68; (17–87)	120.3 ± 3.24; (99–138)
Sorghum	21.72 ± 0.42; (11–29)	5.22 ± 0.21; (3–7)	63.1 ± 3.23; (14–109)	117.6 ± 2.07; (97–126)
Millet	20.28 ± 0.71; (9–25)	5.38 ± 0.17; (3–7)	53.8 ± 0.17; (12–99)	126 ± 3.20; (84–129)
Coefficient of variation	5.73	1.95	0.67	1.26

Means followed by the same letter in the same column are not significantly different (, Tukey’s Honestly Significant Difference test). Range is in parenthesis.
ns = no significant difference.