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Table 1 Developmental period (mean ± SE) of Hippodamia convergens fed on two aphid species

From: Life table and demographic parameters of the coccinellid predatory species, Hippodamia convergens Guérin-Méneville (Coleoptera: Coccinellidae) when fed on two aphid species

Life stages n A. gossypii n L. erysimi
Egg incubation 40 3.15 ± 0.12a 40 2.45 ± 0.08b
L1 38 4.03 ± 0.12a 40 2.55 ± 0.08b
L2 32 5.10 ± 0.14a 36 2.61 ± 0.09b
L3 24 5.50 ± 0.23a 34 2.32 ± 0.07b
L4 23 6.82 ± 0.19a 32 3.81 ± 0.13b
Pupa 23 6.82 ± 0.19a 32 4.47 ± 0.10b
Adult longevity 22 30.6 ± 0.56b 32 36.4 ± 0.50a
  1. SE was estimated by Bootstrapping (100,000 replications), L1–L4 indicate the larval instar, means sharing similar letters in each row are not significantly different at P > 0.05, n = numbers of individual H. convergens that completed a stage