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Abdel Aleem,, R., Morsi, G., Metwaliy, M. (2004). POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.. Journal of Plant Protection and Pathology, 29(5), 2855-2863. doi: 10.21608/jppp.2004.239718
R. Y. Abdel Aleem,; G. A. Morsi; M. M. Metwaliy. "POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.". Journal of Plant Protection and Pathology, 29, 5, 2004, 2855-2863. doi: 10.21608/jppp.2004.239718
Abdel Aleem,, R., Morsi, G., Metwaliy, M. (2004). 'POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.', Journal of Plant Protection and Pathology, 29(5), pp. 2855-2863. doi: 10.21608/jppp.2004.239718
Abdel Aleem,, R., Morsi, G., Metwaliy, M. POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.. Journal of Plant Protection and Pathology, 2004; 29(5): 2855-2863. doi: 10.21608/jppp.2004.239718

POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.

Article 4, Volume 29, Issue 5, May 2004, Page 2855-2863  XML PDF (587.28 K)
Document Type: Original Article
DOI: 10.21608/jppp.2004.239718
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Authors
R. Y. Abdel Aleem,1; G. A. Morsi1; M. M. Metwaliy2
1Fac. of Agrfc.,Cairo Univer.,Giza,Eygpt
2Ministry of Agric., Agric.Res.Center, Plant Protection Res.lnst., Biological Control Dept.
Abstract
The seasonal fluctuation of the population density of the pomegranate
whitefly, S. phil/yrea8 in Beni-Suef Govemorate and its parasitism were estimated
from April, 2002 to March, 2004. The infestation was from June until December, with
4- 5 annual ~aks. The first year of study showed four peaks. The first peak occurred
on August,S'" when the total number of a/l stages of the pomeg"ranate whitefly insect
per 100 leaves was 2579. The second peak in September, 20 with a peak of 5422
insects. However, the thirC1 peak, with 8054 insects 1100 leaves on the October 5"'.
The fourth peak with 5148 insects on November, 20'fl. In the second year, five peaks
of 2217,2595,3011,3500 and 2756 insects per 100 leaves were recorded on July 5'f1;
August 5", September 5"; October 5" and November 20'fl, respectively.
Three species of Aphelinidae: Encarsia partenopea Masi , E. lutea (Mas;) and
Eretmocerus comi Haldiman were reared from. S. phil/yreae, one species of
Coccinellidae: CJitostethus sp. and one species of Chrysopidae viz.. ChrysopeT1a
cameae (Step h.) were found praying upon the eggs and nymphs of S. phil/yreae.
Evaluation of the rates of parasitism by the above-mentioned parasitoids was
estimated.
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