From: Fitness of the fall armyworm Spodoptera frugiperda to a new host plant, banana (Musa nana Lour.)
Developmental stage | Developmental duration (d) | Body weight (mg) | ||
---|---|---|---|---|
Banana | Maize | Banana | Maize | |
1st instar larva | 4.42 ± 0.06* | 2.12 ± 0.03 | 0.53 ± 0.01 | 0.54 ± 0.02 |
2nd instar larva | 5.40 ± 0.06* | 2.35 ± 0.04 | 3.75 ± 0.13 | 9.46 ± 0.40* |
3rd instar larva | 6.56 ± 0.11* | 2.33 ± 0.03 | 12.50 ± 0.25 | 29.96 ± 0.53* |
4th Instar larva | 6.12 ± 0.10* | 2.71 ± 0.05 | 37.29 ± 0.71 | 67.14 ± 1.47* |
5th instar larva | 7.87 ± 0.09* | 4.46 ± 0.04 | 137.95 ± 2.06 | 181.12 ± 3.02* |
6th instar larva | 8.62 ± 0.10* | 4.96 ± 0.05 | 276.57 ± 4.15 | 496.08 ± 10.23* |
7th instar larva | 11.27 ± 0.14 | — | 377.67 ± 4.94 | — |
8th instar larva | 14.71 ± 0.21 | — | 453.56 ± 7.03 | — |
Larva | 64.94 ± 0.35* | 18.93 ± 0.07 | — | — |
Pre-pupa | 2.38 ± 0.06* | 1.58 ± 0.04 | — | — |
Pupa | 11.91 ± 0.12* | 11.50 ± 0.08 | 132.02 ± 2.72 | 242.01 ± 23.87* |
Progeny egg | 2.84 ± 0.05 | 2.76 ± 0.04 | — | — |