Table 2 The effect of Regiella on the development times of host aphids under different densities of A. gifuensis (i.e., 0, 1, 3, 5 parasitoids). Days; Mean ± SEM

2.08 ± 0.10Ab

1.55 ± 0.10Ab

1.92 ± 0.26Aa

1.80 ± 0.17Aa

0.85 ± 0.08Ab

6.40 ± 0.53Ab

3.55 ± 0.27Aa

2.40 ± 0.23Aa

1.85 ± 0.20Aa

1.95 ± 0.22Aa

1.40 ± 0.22Aa

8.68 ± 1.01Aa

2.05 ± 0.18Ab

1.53 ± 0.09Ab

1.55 ± 0.09Aa

1.95 ± 0.12Aa

1.00 ± 0.07Ab

7.55 ± 0.43Aa

4.13 ± 0.29Aa

2.25 ± 0.25Aa

1.95 ± 0.29Aa

1.95 ± 0.24Aa

1.65 ± 0.29Aa

8.88 ± 1.14Aa

2.03 ± 0.09Ab

1.73 ± 0.09Ab

1.58 ± 0.10Ab

1.83 ± 0.087Ab

1.03 ± 0.06Ab

7.78 ± 0.31Ab

3.55 ± 0.27Aa

2.58 ± 0.25Aa

2.55 ± 0.34Aa

2.28 ± 0.20Aa

2.23 ± 0.29Aa

11.13 ± 1.03Aa

1.77 ± 0.10Ab

1.55 ± 0.11Ab

1.45 ± 0.09Ab

1.95 ± 0.08Aa

1.05 ± 0.06Ab

7.55 ± 0.30Aa

3.62 ± 0.30Aa

2.73 ± 0.31Aa

1.93 ± 0.20Aa

2.30 ± 0.40Aa

1.73 ± 0.26Aa

9.05 ± 1.08Aa