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http://dx.doi.org/10.7585/kjps.2016.20.2.133

Distribution of Matsumoto Mealybug, Crisicoccus matsumotoi (Hemiptera: Pseudococcidae) in Pear Orchards and Susceptibility to Insecticides  

Seo, Jin-Won (Department of Plant Medicine, Chungbuk National University)
Park, Jun-Won (Department of Plant Medicine, Chungbuk National University)
Yun, Seung-Hwan (Department of Plant Medicine, Chungbuk National University)
Song, Myung-Kyu (Department of Plant Medicine, Chungbuk National University)
Lee, Young-Su (Environmental Agricultural Research Division, Gyeonggi Agricultural Research and Extension Services)
Koo, Hyun-Na (Department of Plant Medicine, Chungbuk National University)
Kim, Gil-Hah (Department of Plant Medicine, Chungbuk National University)
Publication Information
The Korean Journal of Pesticide Science / v.20, no.2, 2016 , pp. 133-137 More about this Journal
Abstract
In Korea, six mealybug species have been reported on pears. This study investigated the occurrence of mealybugs in 19 pear orchards from 2013 to 2014. Two species, Crisicoccus matsumotoi Siraiwa (Hemiptera: Pseudococcidae) and Pseudococcus comstocki Kuwana were mainly found. The dominant species was C. matsumotoi identified on 73% of infested fruit. Toxicities of 14 registered insecticides (Buprofezin+Acetamiprid EC, Buprofezin+Amitraz EC, Buprofezin+Clothianidin SC, Buprofezin+Dinotefuran WP, Buprofezin+Etofenprox WG, Buprofezin+Thiacloprid SC, Buprofezin+Thiamethoxam SC, Benfuracarb WG, Acetamiprid WP, Clothianidin SC, Dinotefuran WG, Thiacloprid SC, Thiamethoxam WG, Sulfoxaflor SC) commonly used to control P. comstocki were evaluated to C. matsumotoi nymphs and adults at the recommended concentration. As a results, all insecticides exhibited strong insecticidal activity with 100% mortality of both nymphs and adults. These results indicate that the 14 insecticides can be used in control for C. matsumotoi in field.
Keywords
Distribution; Insecticidal activity; Mealybug; Pear;
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