Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies
Halawa, S., El-Khiat, E., El-Hosary, R., Ismail, M., Mosallam, A. (2019). Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies. EKB Journal Management System, 10(5), 269-274. doi: 10.21608/jppp.2019.43187
Safaa M. Halawa; E. F. El-Khiat; Rasha A. El-Hosary; Maha M. S. Ismail; A. M. Z. Mosallam. "Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies". EKB Journal Management System, 10, 5, 2019, 269-274. doi: 10.21608/jppp.2019.43187
Halawa, S., El-Khiat, E., El-Hosary, R., Ismail, M., Mosallam, A. (2019). 'Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies', EKB Journal Management System, 10(5), pp. 269-274. doi: 10.21608/jppp.2019.43187
Halawa, S., El-Khiat, E., El-Hosary, R., Ismail, M., Mosallam, A. Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies. EKB Journal Management System, 2019; 10(5): 269-274. doi: 10.21608/jppp.2019.43187

Comparative Toxicity of Certain Insecticides against Two Species of Fruit Flies

Journal of Plant Protection and Pathology
Article 5, Volume 10, Issue 5, May 2019, Page 269-274  XML PDF (773.84 K)
Document Type: Original Article
DOI: 10.21608/jppp.2019.43187
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Authors
Safaa M. Halawa1; E. F. El-Khiat1; Rasha A. El-Hosary2; Maha M. S. Ismail3; A. M. Z. Mosallam3
1Plant Protection Department, Fac. of Agric., Moshtohor, Benha Univ
2Plant Protection Department, Fac. of Agric., Moshtohor, Benha Univ.
3Plant Protection Research Institute, Dokki, Giza, Egypt
Abstract
The full grown larvae and pupae of 3-days oldof both Bactrocera zonata and Ceratitis capitata were sandy-soil-treated under laboratory conditions with five different insecticides to determine their comparative toxicity. The toxicity of the used compounds differently varied against the 3rd larval instar of B. zonata, where Marisol 1.8% EC (abamectin) surpassed the other tested compounds at LC50 (5.343 µl/L), while Opal 5%EC (lufenuron) was the most effective insecticide against the 3rd larval instar of C. capitata showing the lowest value of LC50 of 11.299 µl/L. Respecting to the three-day old pupae of the two tested species, Marisol 1.8%EC was the most potent compound at LC50 (395.461 µl/L for B. zonata and 151.373 µl/L for C. capitate). The full grown larvae of B. zonata were the most susceptible to Heater 3%SC (lufenuron+emamectin benzoate) and Marisol 1.8%EC at both LC50 and LC90, where those of C. capitata showed tolerance level to the two insecticides by 7.78, 14.16 and 6.02, 8.47 fold at LC50 and LC90, respectively. But, pupae of B. zonata more tolerable than that of C. capitate to Glory 5%EC (lufenuron), Marisol 1.8%EC and Cymax 5%EC (lufenuron) at LC50 and LC90 by 5.54, 2.61, 1.87 and 8.29, 2.32, 3.28 fold, respectively.
Keywords
insecticide; Fruit flies; Bactrocera zonata; Ceratitis capitata; toxicity
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