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Table 1 Post hoc tests (Z-tests) for interspecific crosses

From: Oviposition traits generate extrinsic postzygotic isolation between two pine sawfly species

 

Oviposition willingness

Oviposition preference

Oviposition success

Success on P. strobus

Success on P. banksiana

Comparison

Z-score

P

Z-score

P

Z-score

P

Z-score

P

Z-score

P

N. pinetum vs. Bcp

0.67

0.50

0.16

0.87

−1.62

0.10

−1.57

0.12

*

*

N. pinetum vs. F1 Hybrids

1.29

0.12

−1.95

0.051

−4.14

<1 × 10 −04

−3.11

1.88 × 10 −03

0.48

0.63

N. pinetum vs. BCL

5.88

<1 × 10 −04

−3.60

3 × 10 −04

−1.55

0.12

−2.83

4.66 × 10 −03

*

*

N. pinetum vs. N, lecontei

0.76

0.45

−4.7

<1 × 10 −04

0.72

0.47

NA

NA

*

*

BCP vs. F1 Hybrid

0.56

0.57

−2.19

0.03

−3.16

1.58 × 10 −03

−1.98

0.047

0.48

0.63

BCP vs. BCL

5.15

<1 × 10 −04

−3.92

<1 × 10 −04

0.29

0.77

−1.60

0.11

*

*

BCP vs. N. lecontei

0.27

0.79

−4.95

<1 × 10 −04

1.62

0.1

NA

NA

*

*

F1 Hybrid vs BCL

4.87

<1 × 10 −04

−2.01

0.04

4.6

<1 × 10 −04

0.59

0.56

1.81

0.07

F1 Hybrid vs. N. lecontei

−0.12

0.9

−3.62

3 × 10 −04

3.49

4.8 × 10 −04

NA

NA

0.82

0.41

BCL vs. N. lecontei

−3.62

3 × 10 −04

−2.73

6.34 × 10 −03

1.54

0.12

NA

NA

*

*

  1. NA samples unavailable
  2. * = Z-score undefined when both proportions are 1. Bold represents significance at P < 0.05