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

Egyptian Journal of Biological Pest Control

Table 4 Mean longevity (mean ± S.E.) of A. asychis, A. ervi, and D. rapae males and females parasitizing M. persicae

Parasitoids	Mean longevity of male and female parasitoids parasitizing M. persicae
	Longevity in days* (mean ± SE)
	Male	Female
A. asychis	13.00 ± 1.49^a (10–15)	25.00 ± 3.01^a (20–30)
A. ervi	7.10 ± 2.42^b (5–11)	10.00 ± 2.16^b (7–14)
D. rapae	6.80 ± 1.25^b (4–9)	9.40 ± 1.22^b (7–13)
LSD (p = 0.05)	2.21	2.22
F_{2, 27}	21.08	133.16
p value	< 0.00001	< 0.00001

Figures in parentheses indicate range
Mean values within the columns bearing the same letters are not significantly different—LSD (p = 0.05)
*All values are mean of 10 observations