Influence of host egg age on parasitic potential of the entomophagous, Telenomus remus Nixon (Hymenoptera: Scelionidae) against the Fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) and investigations on the developmental biology and ultrastructure of egg parasitoid immature stages

Egyptian Journal of Biological Pest Control

Table 1 Biological parameters of T. remus emerging from FAW eggs of different age classes

Host Egg age (h)	Parasitization (%)*	Parasitoid Emergence (%)*	Male parasitoids (%)*	Female parasitoids (%)*	Sex ratio Female: male
< 24	98.2 ± 0.49^a (82.28)	97.42 ± 0.76^a (80.79)	33.46 ± 0.49^b (35.34)	66.54 ± 0.42^a (54.66)	1.99: 1
< 48	49.78 ± 0.49^b (44.88)	45.92 ± 0.49^b (42.66)	35.14 ± 0.40^a (36.36)	64.86 ± 0.32^b (53.64)	1.85:1
< 72	0.00 (0.33)	0.00 (0.33)	0.00 (0.33)	0.00 (0.33)	0.00 (0.33)
SE(d)	1.17	1.43	0.37	0.31
CD (0.05)	2.43	2.95	0.78	0.65
CV%	4.69	5.85	2.70	1.49

Values represent means of thirteen replications
*Values in parenthesis are arcsine transformed values and in columns, means (± S.E.) followed by similar alphabets do not differ statistically by LSD (p = 0.05)