Abstract
The glycyphagid mite, Lepidoglyphus destructor (Schrank) individuals were extracted from wheatand broad bean hay at El-Menofia Governorate and reared on different stored hay at three temperature degrees. Biological experiments and observations were conducted in the laboratory under controlled conditions of 20 oC, 25 oC and 30 oC and relative humidity 80 % R.H. Broad bean and wheat hay were used singly and mixed with dry yeast as a mite food.The obtained results showed that developmental stages, longevity and life span and fecundity were obviously affected at different diets and temperature degrees. The highest life span period was recorded with female fed on mixture of broad bean and yeast averaged as 49.4 days at 20 oC, but the shortest period was recorded for male individuals at 30 oC when reared on the mixture of broad bean and wheat hay as 20.0 day. Mixture of broad bean hay & yeast proved to be the suitable diets resulting the highest number of deposited eggs at 30 oC recorded 159.9 eggs but the lowest number was noticed for L. destructor females at 20 oC when the individuals fed on mixture of broadbean and wheat hay (82.2 eggs) at 20 oC. The current study provided evidence of the nutritive attractiveness of broad bean hay mixed with dry yeast for L. destructor as a preferable feeding source for laboratory rearing of this astigmatid mite.The obtained results denoted that males took the shortest biological stages (incubation period, life cycle, longevity and life span) than female individuals at tested temperature degrees, where 20 oC was the suitable one and increased these periods.
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