The studies conducted on the mass production of uzipupae by providing silkworm as host. The different number of worm’s viz., 50, 100, 200 and 300 fourth instar worms were provided. Among the various parameters studied viz., number of eggs laid (657.00), number of maggots formed (562.00), number of pupae formed (544.00) and number of adult flies emerged (534.00) was found maximum when 300 silkworms were provided as host, followed by 200 silkworms supplied batches. The minimum number of malformed pupae (10.00) was observed in 300 silkworms supplied batches. However, number of eggs laid by 2 mated female uzi flies was inversely proportional to the number of silkworms, whereas maximum number of eggs (657.00) was laid by 2 mated femaleuzi flies, when 300 fourth instar silkworms were provided. The maximum male uzi fly pupal and female pupal weight was observed in 300 worms supplied batches i.e., 1.26 g and 0.96 g. The minimum was observed in 50 silkworms supplied batches i.e., 0.56 g and 0.44 g. However, the maximum male pupal length and female pupal length was observed in 300 worms supplied batches i.e., 0.91 cm and 0.97 cm.

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