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http://dx.doi.org/10.5656/KSAE.2018.03.0.005

Domestic Distribution and Temperature-dependent Development on Pseudococcus longispinus and P. orchidicola (Hemiptera: Pseudococcidae) in Korea  

Jeong, Dae-Hoon (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Kyung, Ye Jin (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Kim, Hyunkyung (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Koo, Hyun-Na (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Cho, Soowon (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Kim, Gil-Hah (Department of Plant Medicine, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Publication Information
Korean journal of applied entomology / v.57, no.2, 2018 , pp. 77-85 More about this Journal
Abstract
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 $14^{\circ}C$ and the developmental period was the longest at $16^{\circ}C$ for 361.4 days and the shortest at $32^{\circ}C$ for 39.0 days. The longevity of female adult of P. longispinus was the shortest at $28^{\circ}C$ as 71.7 days. The number of offspring was highest at 177.7 at $32^{\circ}C$. The female nymph of P. orchidicola did not develop at $12^{\circ}C$. However, the developmental period was the longest at $14^{\circ}C$ for 184.9 days and the shortest at $28^{\circ}C$ for 21.5 days. The longevity of female adult of P. orchidicola was the shortest at 51.5 days at $28^{\circ}C$. The number of offspring was highest at 143.8 at $28^{\circ}C$. The net reproductive rate ($R_0$) and intrinsic rate of increase ($r_m$) of P. longispinus were 162.3 and 0.127 at $32^{\circ}C$, respectively. The $R_0$ and $r_m$ of P. orchidicola were 98.3 and 0.139 at $28^{\circ}C$, respectively. These results suggest that the optimum temperature of P. longispinus and P. orchidicola was $32^{\circ}C$ and $28^{\circ}C$, respectively. Therefore, we guess that they can never be able to survive the winter of Korea.
Keywords
Pseudococcus longispinus; Pseudococcus orchidicola; Survival rate; Intrinsic rate of increase;
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Times Cited By KSCI : 2  (Citation Analysis)
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