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Table 1 Biological characteristics of Tetrastichus howardi in pupae and larva of Galleria mellonella

From: Parasitizing efficiency of Tetrastichus howardi (Olliff) (Hymenoptera: Eulophidae) on Galleria mellonella (Linnaeus) (Lepidoptera: Pyralidae) larva and pupa

Biological parameter

Host

T test

CV (%)

Pupa

Larva

Parasitism (%)

100

100

  

Emergence (%)

100

100

  

Progeny

438.56 ± 23.66a

311.93 ± 18.15b

18.53**

25.67

Life cycle duration (D)

17.66 ± 0.21b

20.13 ± 0.16a

81.71**

4.58

Total no. of male

43.2 ± 2.52b

53.0 ± 4.63a

17.12**

44.60

Total no. of female

394.76 ± 22.48a

259.83 ± 15.00b

17.55**

26.62

Sex ratio

0.89 ± 0.01a

0.83 ± 0.01b

137.05**

6.58

Longevity of females (days)

15.83 ± 0.26a

13.4 ± 0.35b

60.21**

10.45

Longevity of males (days)

10.26 ± 0.30a

8.76 ± 0.45b

33.85**

17.50

Adults /mg weight

2.75 ± 0.14a

1.60 ± 0.08b

19.18**

26.06

  1. Mean ± standard error followed by a different lowercase letter in a row is significantly different by t test at 5% and 1% probability. ** Significant at 1% probability