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Table 3 Parasitism parameters of sequential generations of Trichogramma embryophagum reared on Sitotroga cerealella eggs

From: How long-term mass rearing affects the quality of the Trichogramma embryophagum (Hartig) (Hymenoptera: Trichogrammatidae) reared on Sitotroga cerealella (Olivier) eggs

No. generation Net parasitism rate (c0) (hosts/parasitoid) Transition rate values (Qp) Stable parasitism rate (ψ) (host/parasitoid) Finite parasitism rate (ω) (host/parasitoid)
5 38.21 ± 3.65a 1 0.348 ± 0.016a 0.468 ± 0.026a
10 31.32 ± 3.53ab 1 0.317 ± 0.017ab 0.417 ± 0.027ab
15 24.73 ± 2.96bc 1 0.298 ± 0.018bc 0.386 ± 0.028bc
20 19.62 ± 2.36 cd 1 0.284 ± 0.017bcd 0.363 ± 0.026bcd
25 16.43 ± 1.93de 1 0.267 ± 0.016cde 0.335 ± 0.023cde
28 15.75 ± 1.90def 1 0.261 ± 0.016cde 0.326 ± 0.023cde
30 13.78 ± 1.68efg 1 0.254 ± 0.017cde 0.316 ± 0.024cde
32 12.61 ± 1.53efg 1 0.249 ± 0.017de 0.309 ± 0.024de
34 11.33 ± 1.45 fg 1 0.243 ± 0.018de 0.299 ± 0.025de
37 10.65 ± 1.37 g 1 0.238 ± 0.017de 0.292 ± 0.024e
40 9.75 ± 1.48 g 1 0.226 ± 0.018e 0.274 ± 0.026e
  1. The means marked by the same letters within the same column are not significantly different (Paired-bootstrap test, P < 0.05)