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栗蓬麦蛾(Stenolechia rectivalva)属鳞翅目麦蛾科。自1986年以来迁西、兴隆、邢台等板栗产区陆续有所发生、此种危害栗花及栗蓬,使果实脱落,致使板栗大量减产;兴隆县遭此虫害后导致板栗减产200万～300万公斤;迁西县有的山沟受害后使板栗颗粒不收。为便于对其识别,今将有关特征作简要描述;成虫:体长3～4毫米,翅展9～11毫米,银灰褐色,触角线状,几于体等长,各节背面端部褐色;下唇须被褐色鳞片,向上弯曲,末端尖细;喙发达,端部卷曲;复眼大,褐色;头被银灰色鳞片,头顶、复眼上部有银灰色较长的毛;前翅呈披针形,被银灰色鳞片,白顶角至翅端分布有4对褐色斑块,翅端翅缘有灰色长毛,毛端部呈褐色;后翅外缘凹入,使顶角突出,缘毛长过后翅
Siphon Pima moth (Stenolechia rectivalva) Lepidoptera is a family moth family. Since 1986, Qianxi, Xinglong, Xingtai and other chestnut producing areas have occurred one after another, such damage chestnut flowers and chestnut, so that the fruit off, resulting in a large number of chestnut production; was affected by this pest in Xinglong County cut chestnut 2 million to 300 Wan kilograms; Qianxi County, after some damage to chestnut particles do not accept. For the convenience of its identification, the relevant characteristics will be briefly described. Adult: body length 3 ~ 4 mm, wingspan 9 ~ 11 mm, silver brown, antennae linear, Lower lip to be brown scales, curved upward, tip sharp; beak developed, curly end; compound eyes large, brown; head was silver-gray scales, overhead, compound eyes with silver gray hair on the upper part of the upper; The silver-gray scales, the white top to the wing tip to distribute four pairs of brown patches, the wing tip wing gray hair, hair end brown; hind wing outer edge of the recess, so that the top corner of the prominent edge of hair after wing