Talk:Schrankia costaestrigalis

    广西玉林市陈景成在2015年3月首次在中国玉林市发现窄缘施夜蛾Schrankia costaestrigalis危害马铃薯，以后该虫年年都有一定的面积发生为害，其中2017年发生面积最大。在世界上第一次发现在马铃薯上为害，在中国是新纪录种。
    在马铃薯上，以幼虫在土中蛀食根部（支根、主根）和块茎。取食根部造成小缺口，但由于不会咬断根部，所以植株表面看不出被害症状；以为害块茎为主，啃食块茎形成单个或多个洞孔，幼虫不会深入块茎内部钻食，因此形成的洞孔较浅，一般深5～10mm，一般不腐烂。在玉林，马铃薯为冬季种植，种植季节为当年10月至次年3月。该虫一般在马铃薯薯块膨大后期发生，幼虫初发期一般在1月中下旬，2月上旬后逐渐进入发生为害盛期，3月后发生最为严重，收获越迟，受害越重。
    
   Chen jingcheng, yulin city, guangxi province, first discovered Schrankia costaestrigalis pest to potatoes in yulin city, China in March 2015. Since then, the pest has occurred in a certain area every year, with the largest occurrence area in 2017. The world's first known pest on potatoes is a new record in China.

   On potatoes, larvae eat the roots (ramus, taproot) and tubers in the soil. Feeding on the root causes a small gap, but because the root will not bite, so the plant surface can not see the symptoms of damage; The larvae will not drill into the tuber to feed. Therefore, the holes formed are relatively shallow, generally 5 ~ 10mm deep, and generally do not rot. In yulin, potatoes are grown in winter from October to march. The insect generally occurs in the later period of potato block expansion, the initial larva generally occurs in the middle and late January, and gradually enters the harm peak period after early February, and is most serious after march, the later the harvest, the more serious the damage. — Preceding unsigned comment added by 陈景成 (talk • contribs) 10:55, 30 April 2019 (UTC)