The early spring swallowtail, Luehdorfia puziloi (Lepidoptera: Papilionidae) is univoltine with adult emergence in early spring and the larvae feed on the genus Asarum (Aristolochiaceae). This study was conducted to investigate temperature effect on adult emergence of overwintering L. puziloi pupae at five different constant temperatures (15, 20, 25, 27.5 and 30℃) with photoperiod 10:14(L:D) and relative humidity 60% by using 150 pupae, 2013 in Holoce Ecosystem Conservation Research Institution (HECRI). The lower developmental thresholds of female, male, and both sexes combined were 6.131, 8.64, and 8.088℃, respectively. Developmental period of overwintering pupae to adults decreased with increasing temperature from 15 to 30℃. Mortality of five different constant temperatures (15, 20, 25, 27.5, and 30℃) was 13.3, 3.3, 16.67, 13.3 and 13.3%. Especially mortality of constant temperature 25℃ was higher than other conditions and survival rate 20℃ was the highest. Thermal constants of female, male and both sexes combined were 207.11, 125.97 and 150.18DD, respectively. The relationship between the developmental rate and temperature was fitted by linear and five nonlinear developmental rate models (Logan 6, Lactin 1, 2 and Briere 1, 2). The development variation of overwintering pupae was described by the two-parameter Weibull distribution model. The adult emergence of overwintering L. puziloi pupae in spring can be explained and predicted by using developmental rate models and developmental distribution model.

• Jae Rok Lee(School of Bioresources sciences, Andong National University)
• Kang Woon Lee(Holoce Ecosystem Conservation Research Institution(HECRI), School of Bioresources sciences, Andong National University)
• Jeong Joon Ahne(Entomology program, Division of Plants and Soil Sciences, West Virginia University)