Effects of parasitism by the braconid wasp, Bracon hebetor (Hymenoptera: Braconidae), on the host hemolymph and phenoloxidase activation of the rice moth, Corcyra cephalonica larvae (Lepidoptera: Pyralidae)

Egyptian Journal of Biological Pest Control

Table 2 Effect of B. hebetor parasitism at different periods on Total Hemocytes Count (THC), total protein concentration (mg/ml) and Phenoloxidase (PO) activity in the hemolymph of fully developed larvae of C. cephalonica

Period of parasitism	THC	Total hemolymph proteins (mg/ml)	PO—activity
Control	3107 ± 245.40^a	232.93 ± 4.02^ab	0.177 ± 0.044^a
24 h	3131 ± 372.36^a	245.77 ± 3.20^b	0.442 ± 0.103^a
48 h	2915 ± 152.55^b	222.07 ± 5.38^ac	0.753 ± 0.094^a
72 h	2476 ± 275.39^c	214.33 ± 3.10^c	1.482 ± 0.272^b
P	0.359	0.0029	0.0018
F	1.24	11.48	13.32

Means followed by the same letter in the same column are not significantly different (P > 0.05); n = 5