有些鳞翅目成虫的外形(翅色,脉相,触角构造,头部,胸部等)很难与危险性的检疫害虫——美国白蛾相区别,此外,所采集的蛾子标本常有损伤,因而仅据其外部形态来鉴别不大可能。在此情况下,最有效的鉴别方法是根据雄虫的外生殖器构造。外生殖器的玻片标本按常法制作:取下蛾子的腹部,置于试管内,管内放有少量10%的苛性钠或苛性钾溶液,小心地在酒精灯上加热沸腾(加热时,试管倾斜着,管 Some lepidopteran adults (wing color, pulse phase, antenna structure, head, chest, etc.) is difficult to distinguish from the dangerous quarantine pest - the United States White moth, in addition, moth specimens collected often damage, Therefore, according to its external form to identify unlikely. In this case, the most effective method of identification is based on male genitalia. External genital slide specimens were prepared by the usual method: Remove the moths abdomen, placed in a test tube, the tube placed a small amount of 10% caustic soda or caustic potash solution, carefully heated on the alcohol lamp boiling (heating, the tube tilt With, tube