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

Egyptian Journal of Biological Pest Control

Table 7 Parasitization of third-instar nymphs of T. vaporariorum by E. formosa on different host plants

Whitefly host plant	Parasitization (%)		Parasitoid emergence from mummified whitefly nymphs (%)
Whitefly host plant	Mean ± SE	Range	Parasitoid emergence from mummified whitefly nymphs (%)
Brinjal	30.0 ± 3.2^b	26–34	100.0^a
Cucumber	31.6 ± 7.2^ab	20–38	100.0^a
French bean	37.2 ± 2.3^a	34–40	100.0^a
Lettuce	0.0 ± 0.0^c	0	–
Tobacco	37.2 ± 4.5^a	32–44	100.0^a
Tomato	30.8 ± 4.0^ab	24–32	100.0^a
LSD_(P=0.05)	5.34		NS
F_{5, 29}	58.43		–
P value	0.001		–

Mean values within the columns bearing the same letter are not significantly different-LSD (P = 0.05)