桃小食心虫、又名桃小。为害桃、苹果、梨、花红、山楂、枣、李、杏等。近年来。随着枣、苹果栽培面积的扩大,桃小食心虫已成为桃、李、苹果及枣树上的主要害虫。一、形态特征。成虫体长5～8毫米,翅展13～18毫米。全体灰褐色,前翅前缘中部有一蓝黑色近三角形的大斑,翅基部及中央部分具有黄褐色或蓝褐色的斜立鳞毛。后翅灰色,卵淡红色,椭圆形。幼虫体长13～16毫米,全体桃红色,腹部末端无臀节。蛹,体长6～8毫 Peach small heart worms, also known as peach. Harm peach, apple, pear, bonus, hawthorn, jujube, plum, apricot and so on. In recent years. With jujube, apple cultivation area expansion, peach moth worms has become peach, plum, apple and jujube on the main pests. First, the morphological characteristics. Adult body length 5 ~ 8 mm, wingspan 13 ~ 18 mm. The whole taupe, the front of the front wing has a blue-black triangle near the big spot, the base of the wing and the central part of a brown or blue-brown oblique scale hair. Hind wings gray, egg pink, oval. The larvae body length 13 ~ 16 mm, all pink, no hip end of the abdomen. Pupa, body length 6 ~ 8 milliliters