الفهرس 
Introduction and historical reviewOnly 14 pages are availabe for public view
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Abstract
The pathogenic effect of Bacillus thuringiensis ( in the form of two commercial insecticfal preparations ) on the development of the Indian meal moth Plodia interpunct - ella, was studied.Special attention was paid to the combined effect of the pathogen and moisture content in the rearing diet. the studies were extented to include the retarded effect of larval treatment on the fecundity of the f1 -maths and their progeny.