• Korean journal of applied entomology
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• v.55 no.1
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• pp.67-71
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• 2016

Chiasmia cinerearia (Bremer et Grey) belonging to the subfamily Ennominae(Lepidoptera: Geometridae) is a new forestry pest attacking to Sophora japonica in Gyeonggi province. Chiasmia cinerearia oviposited about 250~300 eggs per female on leaves. Larva had five instar stages. Adults emerged twice a year in early May and late July. The period of one generation was about 48 days. Body length of larvae was 25~30 mm and body color was light green with dark yellow lateral lines in abdomen. The wingspan of adults was 30 to 35 mm in length. The color of forewings was greyish brown with quadrilateral patterns on outer lines.