论文部分内容阅读
枸杞龟[Cassida deltoides Weise)属鞘翅目叶科龟叶亚科。以成虫和幼虫为害枸杞和藜、小蓟等杂草,重者仅残留叶柄。枸杞龟常与枸杞叶混生,为害甚重。枸杞龟在我省忻县、太原、晋中、吕梁等地区都有发生。1978年以来,观察结果如下。一、形态特征成虫体长4.6—5.3毫米,体宽3.3—3.8毫米,略呈椭圆形,背面拱起似瓢状,前胸背板由前缘向后逐高成一斜面,两鞘翅各成一斜面,貌视全体略呈短三角锥形。体
Wolfberry turtle [Cassida deltoides Weise) is a Coleoptera leaf turtle leaf subfamily. To adults and larvae wolfberry and quinoa, thistle and other weeds, heavy petiole residues only. Wolfberry turtle leaves and medlar often mixed, very serious damage. Wolfberry turtle Xin County in our province, Taiyuan, Jinzhong, Luliang and other areas have occurred. Since 1978, the observations are as follows. First, the morphological characteristics Adult body length 4.6-5.3 mm, body width 3.3-3.8 mm, slightly oval-shaped, back arched like calabash, front and back panels from the front edge by the high into a beveled, two-beech each into a beveled , The whole picture slightly short triangular pyramid. body