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Development and Effects on Heat Shock Stress of Phrate 1st instar larvae of Parnassius bremeri Bremer(Lepidoptera: Papilionidae) in Korean Peninsula
This study was conducted to investigate exact life cycle and Parnassius bremeri’s response to heat shock stress from 2012 to 2016 in Holoce Ecosystem Conservation Research Institution through captive breeding. About 16 days(15.7±0.3days) later embryo in eggs were developed as pharate first instar and the eggs of Parnassius bremeri possessed the ability to undergo an extended aestivation hosting a fully developed pharate 1st instar larvae within the chorion. Pharate 1st instar in egg hatched from late in November to early in December about 194 days(194.3±1.1days) later. All pharate 1st instar in egg and out of egg survived at 25℃, 35℃. In case of 45℃ survival rate of pharate 1st instar in an egg (93.8±6.3%) was significantly higher than those (22.2±10%) of pharate 1st instar out of an egg. All was dead at 47.5, 50, 52.5 and 55℃.
