Skip to main content

Table 8 Biological parameters of E. formosa on third-instar nymphs of T. vaporariorum feeding on different host plants

From: Biological characteristics and parasitization potential of Encarsia formosa Gahan (Hymenoptera: Aphelinidae) on the whitefly, Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae), a pest of greenhouse crops in north-western Indian Himalayas

Whitefly host plant

Developmental duration (days) of the parasitoid stage

Egg–larval

Pupal

Egg to adult emergence

Mean ± SE

Range

Mean ± SE

Range

Mean ± SE

Range

Brinjal

10.0 ± 0.4

9–13

17.3 ± 0.7

16–17

27.3 ± 0.5

25–30

Cucumber

9.3 ± 0.6

8–12

17.1 ± 0.8

16–17

26.4 ± 0.9

24–29

French bean

9.3 ± 0.5

8–12

17.1 ± 1.1

16–17

26.4 ± 1.1

25–29

Tobacco

9.7 ± 0.5

8–12

17.6 ± 0.8

16–19

27.2 ± 0.5

25–31

Tomato

9.6 ± 0.6

9–13

17.5 ± 0.5

16–17

27.0 ± 0.8

25–29

LSD(P=0.05)

NS

 

NS

 

NS

 

F4, 24

2.44

 

0.65

 

2.60

 

P value

0.745

 

0.632

 

0.615