分布及为害桃蛀螟是杂食性害虫,分布较广、寄主较多,以幼虫为害桃、李、苹果、梨、柿、石榴、山楂等多种植物的果实和种子。被害石榴内充满虫粪,导致果实腐烂。严重影响产量和质量。一、形态特征成虫体长9～14毫米,翅展20～25毫米,体色橙黄。幼虫老熟后体长25毫米左右,体背紫红色,腹面淡绿色,蛹体长13毫米左右,长 Distribution and damage Peach moth is a omnivorous pests, distributed more widely, the host more pests, pests, plums, apples, pears, persimmon, pomegranate, hawthorn and other plant fruit and seeds. Victims of pomegranate filled with insect manure, leading to fruit decay. Seriously affect the yield and quality. First, morphological characteristics Adult body length 9 ~ 14 mm, wingspan 20 ~ 25 mm, body color yellow. Larvae mature after about 25 mm body length, body back purple, ventral pale green, about 13 mm long pupae, long