论文部分内容阅读
缀叶丛螟(Locastra muscosalis walker)属鳞翅目,螟蛾科,是商洛地区黄连木的一大食叶害虫。在重点产区受害株率达100%,对黄连木的正常生长和结实影响极大。一、形态特征成虫:雌成虫体长19毫米,翅展40毫米;雄成虫体长17毫米,翅展32毫米。触角丝状,上面布满灰褐色鳞片。雌成虫下唇须前伸,雄成虫下唇须上卷。全身灰褐色,胸背有一黑色丛鳞。前翅色深,稍带淡红色,有明显的二色内横线和外横线,其前缘外横线内淡墨绿色,中部向外凸起,内横线二侧近前缘处各有一个黑色丛鳞,外侧较小,内侧较大。后翅由内向
Locustra muscosalis walker belongs to Lepidoptera, Pyralidae, which is a leaf-eating pest of Pistacia chinensis in Shangluo area. In the key producing areas affected plant rate of 100%, Pistacia wood’s normal growth and fruiting great influence. First, morphological characteristics Adult: adult female body length 19 mm, wingspan 40 mm; male adult body length 17 mm, wingspan 32 mm. Antenna filiform, covered with beige scales. Female adult lower lip to be extended, adult male lower lip to be on the roll. Body gray brown, chest with a black bushy scales. The front wings are dark and slightly reddish with clear dichroic horizontal lines and outer horizontal lines. The front edges of the front lines are pale greenish green and the middle ones are outwardly convex. Black tufted scales, lateral smaller, medial larger. Hind wings from the inside