Table 1 Means and standard errors of developmental time (d), adult longevity (d) and fecundity (eggs), adult preoviposition period (APOP) (d), total preoviposition period (TPOP) (d) of Cylas formicarius (F.) reared on Ipomoea batatas and Ipomoea triloba.

From: Demographic comparison of sweetpotato weevil reared on a major host, Ipomoea batatas, and an alternative host, I. triloba

Host plant

 

Stage

n

I. batatas

n

I. triloba

P

Egg

149

4.86 ± 0.25

150

5.93 ± 0.15

0.0000

Larva

146

37.08 ± 0.22

150

54.87 ± 0.54

0.0000

Pupa

146

8.32 ± 0.15

150

16.99 ± 0.29

0.0000

Female adult

90

87.87 ± 1.11

83

57.41 ± 0.95

0.0000

Male adult

56

88.77 ± 1.32

67

56.25 ± 1.47

0.0000

APOP (day)

90

0.10 ± 0.03

83

0.07 ± 0.03

0.5243

TPOP (day)

90

50.16 ± 0.39

83

77.16 ± 0.88

0.0000

Oviposition days

90

29.72 ± 0.19

83

22.80 ± 0.17

0.0000

Fecundity (eggs)

90

90.91 ± 0.98

83

68.57 ± 1.24

0.0000

  1. The difference between two treatments were evaluated by using paired bootstrap test.
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