Biological Studies on some Aspects of the Astigmatid Mite, Caloglyphus berlesei (Michael) fed on Different Diets and Different Temperatures Degrees

Abstract

Biology of astigmatid mite, Caloglyphus berlesi (Michael) fed on stored food diets was studied at 20 and 30oC., and cleared slightly differences for influence different food kinds on egg incubation period. Concerning life cycle at 20oC, male lasted 14.64, 17.18 and 18.43 days when fed on wheat flour, maize flour and wheat bran, respectively. This period averaged 16.5, 21.2 and 24.0 days, for females, respectively at 30oC., male life cycle lived longer on wheat bran 17.92 days but took 13.14 and 16.47 days on wheat and maize flour, respectively, and female lasted 14.6, 18.8 and 22.0 days when reared on wheat, maize flour and wheat bran respectively. Male adulthood at 20oC durated 11.7, 17.6 and 1.6 days, but female averaged 14.5, 19.5 and 26.4 days, on wheat, maize flour and wheat bran, respectively. Male and female longevity took 10.68, 16.27 and 18.34 & 16.7, 18.42 and 24.36 days when fed on same foods, respectively at 30oC. Diets affected on deposited eggs number at 20oC. Therefore, feeding on wheat flour increased number (233.0 eggs), as, wheat bran decreased (165.5 eggs) at 20oC., at 30oC, eggs deposited was 259.3, 221.2 and 175.4, when females fed on wheat flour, maize flour and wheat bran, respectively.Wheat bran recorded highest protein content, followed by wheat and maize flour. Carbohydrates recorded highest for wheat, maize flour and wheat bran. Wheat flour was most suitable for rearing where highest number of deposited eggs recorded on wheat flour (233.0 at 20oC) and (259.3 at 30oC),