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Table 1 Percentages of parasitism and developmental period of Trichogrammatoidea bactrae in parental generation during storage of parasitoid larvae at different low temperatures

From: Effect of cold storage temperature on quality of the parasitoid, Trichogrammatoidea bactrae Nagaraja (Hymenoptera: Trichogrammatidae)

(a) Parasitism %
Temp. Duration (weeks)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
4 °C 74.19 ± 2.65Bc 30.15 ± 1.49Cb 11.08 ± 1.38Db 3.93 ± 1.18Eb 2.40 ± 0.22Fc 1.30 ± 0.14Gc
7 °C 86.65 ± 1.02Aa 89.25 ± 1.16Aa 87.41 ± 0.90Aa 86.73 ± 0.78Aa 84.09 ± 1.17ABb 80.68 ± 1.38CDb 81.91 ± 1.61BCa 78.14 ± 1.34Db 77.64 ± 1.14Da
10 °C 81.91 ± 1.26BCb 84.34 ± 3.68ABa 91.55 ± 1.01Aa 90.16 ± 1.11Aa 92.08 ± 1.15Aa 89.13 ± 1.15Aa 80.3 ± 2.44Ca 83.82 ± 2.25Ba 81.85 ± 1.79BCa 91.34 ± 1.43A 91.97 ± 0.91A 92.84 ± 0.54A 92.39 ± 1.0A 89.22 ± 1.37A 85.36 ± 2.04A 87.14 ± 2.05A
Control 88.91 ± 1.40A
(b) Developmental period (days)
Temp. Duration (weeks)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
4 °C 9.19 ± 0.26Da 13.51 ± 0.29Ba 13.67 ± 0.49Ba 12.75 ± 0.19Ca 13.61 ± 0.14Ba 14.30 ± 0.00Aa
7 °C 7.44 ± 0.15Gb 7.41 ± 0.13Gb 7.98 ± 0.06Fb 7.92 ± 0.08Fb 9.24 ± 0.18Eb 9.75 ± 0.15Db 10.43 ± 0.12Ca 10.91 ± 0.26Ba 11.50 ± 0.41Aa
10 °C 7.69 ± 0.16Fb 6.51 ± 0.19FGb 6.31 ± 0.17Gc 5.55 ± 0.14Hc 4.83 ± 0.20Ic 4.88 ± 0.20HIc 4.17 ± 0.24Jb 2.98 ± 0.14Kb 2.27 ± 0.25Lb 10.87 ± 0.27D 13.40 ± 0.21B 14.51 ± 0.15A 12.51 ± 0.15C 10.07 ± 0.22DE 9.94 ± 0.27E 9.59 ± 0.10E
Control 7.28 ± 0.18FG
  1. Means ± SE sharing the same capital letters in the same row, and same small letters in the columns are statistically insignificant (P ≥ 0.05)