긴꼬리가루깍지벌레와 붉은몸긴꼬리가루깍지벌레의 국내 분포 및 온도별 발육특성

We surveyed 281 sites of tropical plants and 666 sites of fruit plants for three years (2015~2017) on Pseudococcus longispinus and Pseudococcus orchidicola which have not been surveyed domestically. In tropical plants, P. longispinus were found at 34 sites, while P. orchidicola were found at 87 sites. However, both species were not found in fruit plants. The developmental characteristics of P. longispinus and P. orchidicola were investigated under various temperatures. The female nymph of P. longispinus did not develop at 14°C and the developmental period was the longest at 16°C for 361.4 days and the shortest at 32℃ for 39.0 days. The longevity of female adult of P. longispinus was the shortest at 28℃ as 71.7 days. The number of offspring was highest at 177.7 at 32℃. The female nymph of P. orchidicola did not develop at 12℃. However, the developmental period was the longest at 14℃ for 184.9 days and the shortest at 28℃ for 21.5 days. The longevity of female adult of P. orchidicola was the shortest at 51.5 days at 28℃. The number of offspring was highest at 143.8 at 28℃. The net reproductive rate (R0) and intrinsic rate of increase (rm) of P. longispinus were 162.3 and 0.127 at 32℃, respectively. The R0 and rm of P. orchidicola were 98.3 and 0.139 at 28℃, respectively. These results suggest that the optimum temperature of P. longispinus and P. orchidicola was 32℃ and 28℃, respectively. Therefore, we guess that they can never be able to survive the winter of Korea.