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Egyptian Journal of Agricultural Research
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EL NAGGAR, M., RAFAEI, G., HAGRAS, A., IBRAHIM, M. (2008). SURVEY AND POPULATION FLUCTUATIONS OF MITES AND INSECTS INFESTING MAIZE STORES AT EL DAKAHLIA GOVERNORATE. Egyptian Journal of Agricultural Research, 86(4), 1373-1381. doi: 10.21608/ejar.2008.209833
MAHMOUD E. EL NAGGAR; GHADA S. RAFAEI; AHMED E. HAGRAS; MERVAT A. IBRAHIM. "SURVEY AND POPULATION FLUCTUATIONS OF MITES AND INSECTS INFESTING MAIZE STORES AT EL DAKAHLIA GOVERNORATE". Egyptian Journal of Agricultural Research, 86, 4, 2008, 1373-1381. doi: 10.21608/ejar.2008.209833
EL NAGGAR, M., RAFAEI, G., HAGRAS, A., IBRAHIM, M. (2008). 'SURVEY AND POPULATION FLUCTUATIONS OF MITES AND INSECTS INFESTING MAIZE STORES AT EL DAKAHLIA GOVERNORATE', Egyptian Journal of Agricultural Research, 86(4), pp. 1373-1381. doi: 10.21608/ejar.2008.209833
EL NAGGAR, M., RAFAEI, G., HAGRAS, A., IBRAHIM, M. SURVEY AND POPULATION FLUCTUATIONS OF MITES AND INSECTS INFESTING MAIZE STORES AT EL DAKAHLIA GOVERNORATE. Egyptian Journal of Agricultural Research, 2008; 86(4): 1373-1381. doi: 10.21608/ejar.2008.209833

SURVEY AND POPULATION FLUCTUATIONS OF MITES AND INSECTS INFESTING MAIZE STORES AT EL DAKAHLIA GOVERNORATE

Article 18, Volume 86, Issue 4, December 2008, Page 1373-1381  XML PDF (2.49 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2008.209833
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Authors
MAHMOUD E. EL NAGGAR1; GHADA S. RAFAEI1; AHMED E. HAGRAS2; MERVAT A. IBRAHIM1
1Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt
2Faculty of Science, Zoology department, El Mansoura University, Egypt
Abstract
Numbers of insect and mite species associated with the maize stores at Dakhlia Govemorate were surveyed during two successive years; 2005 and 2006. Thirty three insect and mite species were recorded belonging to 13 families. Regarding to insects, the Tribollum castaneum Herbst, Sitophilus ohne L. and Uposcelis bostrychopllus Bado were found in high numbers and cause a serious damage. While, Aliphtobus laevigatus and tasiodenna wrricome and Oryzaephilus sunnamensis L were presented in moderate numbers. Moreover, the Carpophilus Mutitatus Erichson was recorded with rare numbers. On the other hand, most of maize stored grain samples had positive mite infestations. The infestation of Tyrophagus putrescentiae (Schrank), Acarus siro L.,and Glycyphagus omatus (Kramer) revealed with high numbers. Also, the predaceous mites; Cheyletus eruditus (Schrank), C mahaccensis (Oud.), 81aftisodus tarsal& (Berlese) and B.  keegani Fox were recorded with high level and played an important role in biological control of destructive insects or mites. However, the remaining mite species were detected in moderate or few numbers. Data of population fluctuations revealed two peaks of Sitophilus oryzae and Tribollum castaneum during two successive studied years. While, Lipscelis bostrychopilous recorded two peaks in the first year and one peak in the second year. Early detection and management of these infestations is critical for maintaining quality and integrity of food products.
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