| SR Saha, *W Islam and S Parween
Institute of Biological Sciences and Department of Zoology, Rajshahi University, Rajshahi 6205, Bangladesh
Abstrsact
Life history characteristics of the predator, Xylocoris flavipes reared under four regimes of RH (30, 50, 70 and 90%) on two hosts, Tribolium castaneum and T. confusum fed on three artificial diets, were studied. There were significant effects (P<0.001) of relative humidity on the oviposition period, fecundity, hatchability, developmental time, percentage mortality of immature stages and progeny/ female of the predator on both the hosts. Most of the cases the optimum level of relative humidity was recorded at 70%.
Key words: Humidity, Tribolium beetle, Xylocoris flavipes
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