الفهرس 
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Abstract
The present investigation was done to survey and study the population of mites and insects associated with six stored grains. Three cereals (wheat, maize and rice), and three legumes (crushed faba bean, cowpea and lentil). Also, to evaluate mites prevailing in the imported wheat. The effect of temperatures on the biological aspects of C. malaccensis was studied. Results succeeded in recording 21 mite species, and only two insect orders namely Psocoptera and Coleoptera. The obtained mite species were belonging to 14 families and three groups. It was found that the second season was the dominant by the recorded mites’ numbers than the first one for all tested materials except for rice grains. Results indicated that life cycle period of C. malaccensis female lasted 24.93, 22.11, 17.06 and 15.77 days, consumed 54.23, 50.94, 41.22 and 39.66 prey eggs at 20, 25, 30 and 35 oC, respectively. While, the life cycle for male reached 17.62, 15.62, 12.37 and 11.61 days consumed 31.24, 29.75, 25.25 and 24.63 prey eggs at 20, 25, 30 and 35oC consecutively when fed on eggs of T. putrescentiae.