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** |