Basic Developmental Characteristics of the Fall Armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), Reared under Laboratory Conditions

Table 2

Mean head capsule width, larval length, and weight of Spodoptera frugiperda larvae.

Larval instars	Head capsule width (mm)	Larval length (mm)	Larval weight (g)
1	—	4.63	0.003
2	0.33	6.60	0.019
3	0.48	9.76	0.045
4	0.86	15.86	0.050
5	1.84	25.13	0.060
6	2.76	27.81	0.067