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Table 9 Developmental parameters (mean ± SE) of D. rapae females parasitizing different age groups of M. persicae

From: Performance of the parasitoid species Aphelinus asychis Walker (Hymenoptera: Aphelinidae), Aphidius ervi (Haliday) (Hymenoptera: Braconidae) and Diaeretiella rapae (McIntosh) (Hymenoptera: Braconidae), using Myzus persicae (Sulzer) (Hemiptera: Aphididae) as host

Aphid age groups D. rapae
Oviposition period (days) Post oviposition period (days) Daily eggs laid/female Total fecundity (eggs/female)
1–2 days 8.40 ± 0.84 (7–10) 1.40 ± 0.37 (1–2) 5.20 ± 1.21 (4–9) 54.10 ± 3.17 (48–60)
4–5 days 7.80 ± 1.05 (6–10) 1.30 ± 0.35 (1–2) 4.40 ± 1.02 (3–7) 31.60 ± 3.90 (25–40)
t value 27.16* 12.34* 13.62* 15.31*
p value < 0.00001 < 0.00001 < 0.00001 < 0.00001
  1. Figures in parentheses represent the range
  2. All values are mean of 10 observations
  3. *Significant at p < 0.05 and df = 18