El-Batran, L., Ghanim, A., Shanab, L., Ramadan, M. (2015). POPULATION DENSITY OF SOME INSECTS INFESTING Lantana camera L. SHRUBS AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT. Journal of Plant Protection and Pathology, 6(5), 813-823. doi: 10.21608/jppp.2015.74505
Laila A. El-Batran; A. A. Ghanim; L. M. Shanab; Marwa M. Ramadan. "POPULATION DENSITY OF SOME INSECTS INFESTING Lantana camera L. SHRUBS AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT". Journal of Plant Protection and Pathology, 6, 5, 2015, 813-823. doi: 10.21608/jppp.2015.74505
El-Batran, L., Ghanim, A., Shanab, L., Ramadan, M. (2015). 'POPULATION DENSITY OF SOME INSECTS INFESTING Lantana camera L. SHRUBS AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT', Journal of Plant Protection and Pathology, 6(5), pp. 813-823. doi: 10.21608/jppp.2015.74505
El-Batran, L., Ghanim, A., Shanab, L., Ramadan, M. POPULATION DENSITY OF SOME INSECTS INFESTING Lantana camera L. SHRUBS AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT. Journal of Plant Protection and Pathology, 2015; 6(5): 813-823. doi: 10.21608/jppp.2015.74505
POPULATION DENSITY OF SOME INSECTS INFESTING Lantana camera L. SHRUBS AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT
Economic Entomology Dept., Fac. of Agric., Mansoura Univ., Egypt.
Abstract
Field experiments were conducted in the experimental farm of the Faculty of Agriculture, MansouraUniversity between January and December during the two successive years 2012-2013 and 2013-2014. Biweekly samplings were done on Lantana Camara L., to evaluate the population density of some insect pests attacking Lantanaand their predators. The obtained results revealed that there were five species namely this species were Planococcus citri Risso, Ferrisia virgata (Cockerell), Orthezia insignis Browne, Aphis gossypii Glover and Bemisia tabaci (Gennadius) were recorded. The results showed that P. citri was the most dominant species in the two years of study. The predatory insects were Hyperaspis vinciguerra Capra, Scymnus syraicus Marseuland Chrysoperla carnea(Stephens). The population density of P. citri recorded three peaks in the two years of study, F. virgata had three peaks and O. insignis had three peaks in the two years of investigation. A. gossypii had three peaks during the two years, while the data cleared that B. tabaci, had three peaks during the two years of investigation. The dominant predator was H. vinciguerra the main predator of mealybug insects and this predator had four peaks during the two years of study. Scymnus syraicus and Chrysoperla carnea had one peaks during the two years of investigation.
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