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Pakistan Journal of Biological Sciences
Year: 2002  |  Volume: 5  |  Issue: 12  |  Page No.: 1311 - 1312

Significance of Moisture Percentage and Depth Levels of Pupation Substrate in the Quality Production of Bactrocera zonata (Diptera:Tephritidae)

Qamar-ul-Hassan Siddiqui and Mohammad Ashraf    

Abstract: The results on mean percent pupal recovery of Bactrocera zonata at different depths as influenced by moisture levels indicated that the depth of pupation was significantly affected by moisture percentage in pupation substrate. The 10-15% moisture level of the pupation substrate was useful in holding the pupae. The mean percent adult emergence of B. zonata pupated at different depths of sand with variable moisture levels showed that both moisture levels and depths affected the adult emergence of this fruit fly. The adult emergence was synchronous with the pupation at different depths in sand having respective moisture level. The pupal recovery and adult emergence indicated that 10 and 15% moisture levels were the best suited for optimal pupation and adult emergence of B. zonata.

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