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D. C. Robacker, A. J. Martínez, J. A. García, M. Díaz and C. Romero, “Toxicity of Bacillus thuringiensis to Mexican Fruit Fly (Diptera: Tephritidae),” Journal of Economic Entomology, Vol. 89, No. 1, 1996, pp. 104-110.

has been cited by the following article:

  • TITLE: Biological Activity of Bacillus Thuringiensis (Berliner) Strains on Larvae and Adults of Ceratitis Capitata (Wiedemann) (Diptera: Tephritidae)

    AUTHORS: Houda Aboussaid, Loubna El-Aouame, Said El-Messoussi, Khalid Oufdou

    KEYWORDS: Argan Forest, Bacillus Thuringiensis, Biological Control, Ceratitis Capitata, Diptera

    JOURNAL NAME: Journal of Environmental Protection, Vol.1 No.4, December 28, 2010

    ABSTRACT: The objective of this study was to evaluate the efficiency of Moroccan Bt strains against neonate larvae, third instar larvae and emerged adults of Ceratitis capitata. This Mediterranean fruit fly causes serious damages to Argan forest and other agricultural plants. There is no successful control program of this pest fly in the endemic Argan forest in Morocco. A single-dose test was performed on neonate larvae (25 µL/g) and adult (333.33 µL/g), when three doses of Bt toxins (50 µL/g, 100 µL/g and 150 µL/g) were tested against third instar of C. capitata. Among the twenty-six Bt strains examined, local Bt13.4 and Bt A7 strains showed highest toxicity levels against larvae and adults, when compared to the reference strain, Bacillus thuringiensis subsp. israelensis HD567 “code 4Q1”, and commercial product “Skeetal”. One hundred percent mortality was observed against neonate larvae after 7 days of application by Bt 13.4 toxin. Third instar larvae were very susceptible to Bt A7 and Bt M-Ag 21.6 strains with 68% mortality (Lethal Concentration: LC50 = 1.115) at a dose of 150 µL/g. The Bt A7 strain was also highly toxic to adults with 81.66% of mortality after 7 days of application. This study demonstrated that some of our collection Bt strains can contribute to integrated C. capitata management system with strong biological control components.