Table 2.
SLF development time within each nymphal life stage for single and mixed diet treatments.
| Treatment | Mean time in life stage (d ± SEM) | |||
|---|---|---|---|---|
| 1st Instar | 2nd Instar | 3rd Instar | 4th Instar | |
| Grape/Grape | 23.4 ± 0.5cd | 19.2 ± 0.8c | 19.7 ± 0.8 | 28.8 ± 1.9ab |
| Grape/Apple | 24.3 ± 0.3cd | 18.3 ± 0.9bc | 23.4 ± 1.5 | 34.9 ± 2.0b |
| Grape/Maple | 26.0 ± 0.7d | 20.9 ± 0.6c | 21.0 ± 1.3 | 24.6 ± 2.0a |
| Grape/Peach | 25.4 ± 0.5cd | 13.4 ± 1.5a | 24.0 ± 1.7 | N/A |
| Grape/Tree of heaven | 25.5 ± 0.0cd | 14.9 ± 0.8ab | 21.1 ± 0.6 | 27.3 ± 1.0a |
| Grape/Walnut | 23.8 ± 0.4bc | 19.1 ± 0.7c | 19.3 ± 0.9 | 24.2 ± 1.0a |
| Walnut/Walnut | 19.0 ± 1.4a | 20.7 ± 1.6c | 24.2 ± 2.1 | 28.4 ± 2.6ab |
| Walnut/Apple | 21.1 ± 1.5abc | 18.3 ± 2.4abc | 24.8 ± 1.2 | 26.0 ± 1.5ab |
| Walnut/Maple | 19.8 ± 1.9ab | 22.5 ± 2.4c | 21.8 ± 1.2 | 30.7 ± 1.3ab |
| Walnut/Peach | 22.4 ± 1.5abcd | 16.9 ± 1.7abc | 21.5 ± 4.6 | 26.2 ± 1.8ab |
| Walnut/Tree of heaven | 23.1 ± 0.7bcd | 19.0 ± 0.7c | 22.0 ± 0.8 | 22.9 ± 1.1a |
Single diets included two plants of the same species. Times within the same column sharing the same letter are not significantly different from one another (1st instar: F10,522 = 7.383, p < 0.001; 2nd instar: F10,402 = 6.094, p < 0.001; 3rd instar: F10,298 = 2.143, p = 0.021; 4th instar: F9,180 = 4.281, p < 0.001; ANOVA, Tukey HSD). No pairwise differences for third instar treatments were significant. N/A, not applicable; no SLF in this treatment survived to the fourth nymphal instar stage.