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http://dx.doi.org/10.5656/KSAE.2014.07.0.034

The Effect of Winter Temperature on the Survival of Lantern Fly, Lycorma delicatula (Hemiptera: Fulgoridae) Eggs  

Lee, Young Su (Environmental Agricultural Research Division, Gyeonggi Agricultural Research and Extension Services)
Jang, Myoung Jun (Environmental Agricultural Research Division, Gyeonggi Agricultural Research and Extension Services)
Kim, Jin Young (Environmental Agricultural Research Division, Gyeonggi Agricultural Research and Extension Services)
Kim, Jun Ran (Crop Protection Division, National Academy of Agricultural Science, RDA)
Publication Information
Korean journal of applied entomology / v.53, no.3, 2014 , pp. 311-315 More about this Journal
Abstract
Lantern fly(Lycorma delicatula) is a major invasive pest that causes withering symptom of agricultural crops by sucking tree sap and sooty mold symptom by producing honeydew. This study was conducted to investigate the occurrence pattern of lantern fly in grape orchards in Gyeonggi area and the effect of winter temperature on L. delicatula egg survival during 2010 to 2013. In Gyeonggi areas, overwintered L. delicatula eggs began to hatch from early May and nymphs peaked in mid May. Adults emerged from late July and laid eggs until early November. The survival of L. delicatula eggs during overwintering was largely affected by winter temperatures. The relationship between the number of days below a threshold temperature (x) in January and the survival rate of overwintering L. delicatula eggs (y) was using linear regression model. The best model selected by the lowest RSS (residual sum of square) between predicted and actual survival was y = -1.0486 x + 94.496 ($R^2=0.7067$) with $-11^{\circ}C$ of threshold temperature. These results should be helpful to conduct L. delicatula management programs, since the results provided relivable prediction for the winter survival of L. delicatula eggs and the phenology of egg hatch in the spring.
Keywords
Lycorma delicatula; Survival; Temperature; Over-wintering;
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Times Cited By KSCI : 7  (Citation Analysis)
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