概述

鳞翅目螟蛾科（Ｐｙｒａｌｉｄａｅ）昆虫.体长６—９ｍ， 翅展１３—１８ｍ。前翅较狭长，前、后缘近于平行，外缘略斜向后方；前翅基部２５淡E色或灰黄，其余为锈红褐色，散生不规则的黑褐、黄色及黑色斑纹.后翅宽，暗灰色有光泽.老熟幼虫长１０—１８ｍ。头部赤褐色，胴部淡黄白色或略带绿色，食性复杂，主要为害贮藏的谷物、豆类、油籽、点心、干果、糖类、中药材及 昆虫标本.幼虫吐丝，缀结粮粒或其他被害物，在内面取食.分布于河北、陕西，南至广东，在北京地区从５月至９月成虫不断发生，为害甚烈.Lepidoptera, Pyralidae (Pyralidae) insect. Body length of 6-9m, fin show 13-18m. Tegmen more narrow, anterior and posterior margin of near-parallel, slightly oblique outer edge of the rear; fore wing base of the 25 short E or sallow color, the rest is rust red-brown, scattered irregular dark brown, yellow and black markings. Hind wing wide, shiny dark gray. old larva length 10-18m. Auburn head, torso Department of yellowish white or slightly green, feeding the complexity of the catalyst storage of grain, pulses, oilseeds, snacks, dried fruit, sugar, medicines, and insect specimens. Larval silk is crafted knot food grains or other victims objects, including the surface feeding. distributed in Hebei, Shaanxi, south of Guangdong, in the Beijing area from May to September the adult continue to occur, insidious.

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