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This study was performed to investigate the temperature-dependent development, longevity and oviposition of an indigenous larval parasitoid, Meteorus pulchricornis, on tobacco cutworm, Spodoptera litura. M. pulchricornis were reared at nine constant temperatures between 15 and 35oC. The developmental times of each three developmental stage decreased from 38.7to 16.3 d between 15 and 30oC. However, M. pulchricornis showed longer developmental time at 32.5oC (9.5, 7.7 and 17.2 days for each three developmental stage) than at 30oC (8.9, 7.3 and 16.3 days for each three developmental stage). Immature M. pulchricornis could not develop any more at 35oC. The lower developmental threshold estimated by linear regression equation for the egg to cocoon, cocoon to adult emergence and egg to adult emergence were 5.1, 4.6and 4.5oC. The thermal constant for each of the three stages were 217.2, 176.2 and 403.8 degree-days, respectively. When no food or 50% honey solution as a food source is provided for M. pulchricornis, the parasitoid survived for 8.3 and 55.9 days at 25oC, respectively. M. pulchricornis females laid 5.2 eggs daily and total of 131.6 eggs at 25oC until it died. Peak age-specific fecundity was observed on 14th day (9.6 cocoons) after parasitoid emergence and gradually decreased thereafter.

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