Table 4 Total and average ± SE number of Brassicogethes aeneus larvae parasitism rates and the total numbers of parasitoid offspring species collected from oilseed rape plants under different nitrogen (N) treatments.

Parasitoids

18

0.9 ± 0.2

54

2.8 ± 0.7

23

1.2 ± 0.4

21

1.1 ± 0.3

116

Parasitation rate (%)

6.4

7.1 ± 1.8

15.1

11.0 ± 2.4

12.6

13.9 ± 3.4

5.2

4.5 ± 1.5

9.3

Diospilus capito

7

0.3 ± 0.1

34

1.8 ± 0.5

15

0.8 ± 0.3

9

0.5 ± 0.2

65

Phradis morinellus

1

0.05 ± 0.1

–

–

1

0.1 ± 0.1

–

–

2

Sp1

2

0.1 ± 0.1

–

–

1

0.1 ± 0.1

1

0.1 ± 0.1

4

Sp2

–

–

1

0.1 ± 0.1

–

–

–

–

1

Tersilochus heterocerus

8

0.4 ± 0.1

19

1.0 ± 0.4

6

0.3 ± 0.2

11

0.6 ± 0.2

44