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Table 2 PGLS models of the effect of colony size and nest site on paternity traits across 22 Vespine taxa

From: Colony size is linked to paternity frequency and paternity skew in yellowjacket wasps and hornets

Model

Response

factors a

λ b

estimate

t

p

r c

λ= ML

Relatedness (r)

log 10 ( size ) +

0.24(na,0.83)

−0.14

−3.89

<0.001

0.67(0.3, 0.86)

nest site

−0.11

−2.27

0.036

0.46(0.01, 0.76)

Paternity frequency (k)

log 10 ( size ) +

0(na,0.82)

0.86

3.94

<0.001

0.67(0.31, 0.86)

nest site

0.96

1.53

0.14

0.33(−0.15, 0.68)

Paternity skew (B −1)

log 10 ( size ) +

0.35(na,na)

12.08

3.91

<0.01

0.72(0.31, 0.91)

nest site

3.13

0.63

0.53

0.17(−0.40, 0.64)

Relatedness (r)

k +

1(na,na)

−0.04

−6.03

<0.001

0.85(0.58, 0.95)

B −1

−0.004

−2.85

0.014

0.61(0.11, 0.86)

λ= upper 95% CI

Relatedness (r)

log 10 ( size ) +

0.83

−0.13

−3.07

0.007

0.58(0.16, 0.82)

nest site

−0.08

−1.30

0.211

0.29(−0.20, 0.66)

Paternity frequency (k)

log 10 ( size ) +

0.82

0.92

3.57

0.002

0.63(0.25, 0.85)

nest site

0.57

0.66

0.51

0.15(−0.33,0.57)

Paternity skew (B −1)

log10(size)d +

1

8.81

2.13

0.052 d

0.49(−0.05, 0.81)

nest site

1.45

0.24

0.81

0.06(−0.49, 0.58)

Relatedness (r)

k +

1

−0.04

−6.03

<0.001

0.85(0.58, 0.95)

B −1

−0.004

−2.85

0.014

0.61(0.11, 0.86)

  1. abold factors are significant at p<0.05.
  2. bvalues in the λ = ML model show the maximum likelihood estimate of λ and the 95% confidence interval. “na” means the estimate is outside of the bounds (0, 1).
  3. ceffect size calculated from t-values and sample size using compute.es package in R [93]. Parenthetical values are 95% confidence intervals.
  4. deffect of colony size on paternity skew is significant if nest site is omitted as a cofactor (t = 2.23, p = 0.042).