论文部分内容阅读
栗实蛾是为害栗实的主要害虫之一,它属鳞翅目,卷叶蛾科。成虫翅展15~18毫米.前翅暗灰色,顶端有金黄色斑,斑上有黑色小条纹和边缘;后翅暗褐色。在丹东地区一年一代,成虫在6月中旬出现,7月上、中旬大量产卵于栗实总苞上,8月中旬幼虫咬破总苞蛀入果实,9~10月间老熟幼虫随栗果成熟落地,幼虫出果,于栗园枯枝落叶层中做茧越冬,第二年5月化蛹。
Chestnut moth is one of the main pests to damage the chestnut, which belongs to the Lepidoptera, Roll Leaf moths. Wings of adult wings 15 ~ 18 mm.The forewing dark gray, the top has golden spots, spots on the black stripes and edges; hind wings dark brown. In the Dandong area for one year, the adult appeared in mid-June. In mid-July, a large number of adults lay eggs on the total bud of chestnut. In mid-August, the larva bites the total bud into the fruit, and the mature larvae spread from September to October Chestnut ripe landing, the larvae of fruit, in the chestnut litter layer cocoon wintering, the second year in May pupation.