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Table 4 Parasitic function of the different density Encarsia sophia on Bemisia tabaci nymph (M ± SE)

From: Influences of varying host: parasitoid ratios on parasitism of whitefly by three different parasitoid species

Host density

Parasitoid density

Eggs laid

Parasitism (%)

a

Actual value

a

Theoretic value

60

1

0.20 ± 0.18b

0.25 ± 0.22b

0.0025

0.0156

60

2

2.40 ± 0.68a

3.00 ± 0.86a

0.0309

0.0198

60

3

2.67 ± 0.41a

3.33 ± 0.51a

0.0351

0.0228

60

4

2.45 ± 0.51a

3.06 ± 0.64a

0.0327

0.0252

60

5

2.44 ± 0.48a

3.05 ± 0.60a

0.0331

0.0272

60

6

1.47 ± 0.24ab

1.83 ± 0.30ab

0.0194

0.0290

60

7

0.74 ± 0.12b

0.93 ± 0.15b

0.0096

0.0306

60

8

0.50 ± 0.11b

0.63 ± 0.13b

0.0064

0.0320

  1. Means in column with the same letter are not significantly different at 0.05 levels (Tukey’s HSD test)