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Table 1 Thermal requirements for treated O. nubilalis two strains from two different localities

From: Efficacy of climatic change on the development of two strains of stalk borer, Ostrinia nubilalis (Lepidoptera: Crambidae), treated with challenger/silica nanoparticles

Temperature   Egg stage Larval stage Prepupal stage Pupal stage
Sharqia Qena Sharqia Qena Sharqia Qena Sharqia Qena
Zero of development (T0) 12.33 9.80 12.09 11.67 10.06 9.90 12.40 9.72
15 °C   53.4 74.88 242.49 266.40 49.40 51.00 86.58 135.17
25 °C DD 150.77 124.64 860.71 647.84 105.18 75.50 252.00 228.13
35 °C   181.36 141.12 1205.10 750.99 129.69 82.83 318.21 277.83
45 °C   107.81 102.08 549.60 473.29 76.87 66.69 181.26 185.68
Average DD 123.34 110.68 714.47 534.63 90.284 69.01 209.5 206.71