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Table 4 Manlyʹs and Jervis and Kidd’s preference indices of Goniozus legneri on small and large larvae of Ephestia kuehniella and Ectomyelois ceratoniae

From: Comparative demography, population projection, functional response and host age preference behavior of the parasitoid Goniozus legneri on two lepidopterous insect hosts

Experiment

Host

Manley’s preference index ± SE

Jervis and Kidd’s index

1

E. kuehniella

Small larvae

0.36 ± 0.03

T = 4.23 (df = 5)

1.367

large larvae

0.64 ± 0.03

P < 0.01

 

2

E. ceratoniae

Small larvae

0.30 ± 0.02

T = 6.85 (df = 6)

1.443

large larvae

0.70 ± 0.02

P < 0.0001

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