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Table 2 Adult mating behavior and life history traits (mean ± SE) of Dendrolimus punctatus when larvae fed on different host species and different needle age based on independent-samples T test

From: Life history traits in a capital breeding pine caterpillar: effect of host species and needle age

Parameters

Host species

Needle age

P. massoniana

P. elliottii

t

Previous-year needles

Current-year needles

t

Mating latency (h)

1.37 ± 0.18

2.11 ± 0.20

− 2.72**

1.37 ± 0.18

1.59 ± 0.29

− 0.65

Mating duration (h)

16.92 ± 0.45

15.50 ± 0.28

2.68**

16.92 ± 0.45

16.38 ± 0.45

0.75

Oviposition duration (days)

5.08 ± 0.26

5.50 ± 0.27

− 1.11

5.08 ± 0.26

5.00 ± 0.54

0.16

Produced fecundity (eggs/female)

435.46 ± 19.67

202.55 ± 12.78

9.74**

435.46 ± 19.67

350.08 ± 25.88

2.56*

Remnant fecundity (eggs/female)

4.46 ± 1.49

17.46 ± 4.47

− 2.86**

4.46 ± 1.49

11.25 ± 4.16

− 1.89

Fertility (%)

76.93 ± 4.18

65.58 ± 4.64

1.77

76.93 ± 4.18

70.60 ± 7.94

0.71

Male longevity (days)

6.50 ± 0.23

9.46 ± 0.36

− 7.10**

6.50 ± 0.23

8.58 ± 0.43

− 4.72**

Female longevity (days)

6.46 ± 0.29

8.82 ± 0.27

− 5.88**

6.46 ± 0.29

7.42 ± 0.68

− 1.52

Fitness index

53.66 ± 2.42

3.57 ± 0.23

19.70**

53.66 ± 2.42

23.80 ± 1.76

8.15**

  1. Asterisk indicate significant differences between host species and needle age within parameters of adult life history traits (*P < 0.05; **P < 0.01)