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Table 3 Results of the linear mixed model on the proportion of aphids mummified by parasitoids

From: Are aphid parasitoids locally adapted to the prevalence of defensive symbionts in their hosts?

A: Fixed effects:

ndf, ddf

F

P

 H. defensa strain

3, 44.3

162.45

<0.001

 Host species

4, 27.3

2.37

0.077

 H. defensa str. × Host species

12, 292.6

2.31

0.008

B: Random effects:

df

χ2

P

 Site

1

0.00

1.000

 Site × H. defensa str.

1

3.72

0.054

 Site × Host species

1

0.58

0.446

 Site × Host species × H. defensa str.

1

0.00

1.000

 Parasitoid line (Site × Host species)

1

37.40

<0.001

 H. defensa str. × Parasitoid line (Site × Host sp.)

1

172.00

<0.001

  1. Proportions were arcsine square-root transformed before analysis. P-values of random effects are based on likelihood ratio tests and P-values of fixed effects on F tests with Satterthwaite’s approximation [56]