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http://dx.doi.org/10.5656/KSAE.2009.48.1.053

Biological Characteristics of Lycorma delicatula and the Control Effects of Some Insecticides  

Park, JI-Doo (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Kim, Min-Young (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Lee, Sang-Gil (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Shin, Sang-Chul (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Kim, Jun-Heon (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Park, Il-Kwon (Division of Forest Insect Pests and Diseases, Korea Forest Research Institute)
Publication Information
Korean journal of applied entomology / v.48, no.1, 2009 , pp. 53-57 More about this Journal
Abstract
Biological Characteristics of Lycorma delicatula and insecticidal activity of some insecticides against nymphs of L. delicatula was investigated. Nymph of L. delicatula had 4 instars, and color of body was black. There were white spots on the body of 1st-3rd nymph. Upper body became red at 4th nymph. Adult forewings were brownish, and had black spots. Color of hind wing were red. The egg mass was covered with a yellowish brown secretion. The adult of L. delicatula emerged once a year. Among test insecticides, deltamethrin 1% EC and fenitrothion 50% EC showed very quick and strong insecticidal activity against the 2nd-3rd nymphs of L. delicatula. Imidacloprid 4% SL and clothianidin 8% SC showed 100% insecticidal activity at 24h after treatment. Thiacoprid 10% SC revealed the weakest insecticidal activity among the insecticides tested.
Keywords
Lycorma delicatula; Biological characteristic; Seasonal occurrence; Life cycle; Insecticides;
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