Life History of the Tamarind Weevil, Sitophilus linearis (Herbst) (Coleoptera: Curculionidae), on Tamarind Seed

Table 2

Developmental period (days) and body measurements (mm) ± SE of the life stages of S. linearis.

Stages	Body length (mm ± SE)	Body width (mm ± SE)	Developmental period (days)
Egg	0.61	0.3	3
Instar 1	0.57 ± 0.01c	0.33 ± 0.01d	3
Instar 2	0.61 ± 0.01c	0.48 ± 0.02c	2
Instar 3	0.84 ± 0.02b	0.69 ± 0.01b	2
Instar 4	1.71 ± 0.05a	1.09 ± 0.02a	7–9
Pupa	3.86 ± 0.03	1.46 ± 0.01	8
Adult male	4.10 ± 0.06	1.18 ± 0.00
Adult female	4.25 ± 0.02	1.19 ± 0.02

Means followed by the same letter in a column between the larval instars are not significantly different at 5% level of probability as determined by Tukey’s Honestly Significant Difference (HSD) test.