论文部分内容阅读
近年在本省建湖、盐城、无锡、吴县等地发现鞘翅目叶(虫甲)科角胫叶(虫甲)属食害麦田杂草的益虫篇蓄角胫叶(虫甲)(Gastrophysa atrocyanea Motschul-sky).该虫有成虫、卵、幼虫、蛹四态.成虫蓝黑色,有光泽.雄虫体长5～5.5毫米,雌虫体长6.5毫米左右.触角串珠状,11节,长1.5毫米;鞘翅肩角突出,头部插入前胸前缘,胫节无距,基节窝不分割腹板;前、中、后足胫节末端呈角状向外侧伸出,故称角胫叶(虫甲).雌虫产卵期腹部肥大,尾端裸露在鞘翅之外.幼虫体长6.5～8.2毫米,黑色,体节有突起的疣毛,气孔9对.裸蛹,桔黄色,长4.5毫米,前胸背板靠前缘有10根刚毛,并列似“一”字形,前胸背板后缘有9根刚毛分散排列.卵长椭圆形,乳黄色,光滑,长0.8毫米.
In recent years, found in the province Jianhu, Yancheng, Wuxi, Wuxian and other places found Coleoptera leaf (insect) Section Shamrock (insects) is a food weed insects infertility article stockings tibial shrew (A) (Gastrophysa atrocyanea Motschul- Adult, eggs, larvae and pupae Tetrageny Adult blue-black, shiny Male body length 5 to 5.5 mm Female body length 6.5 mm Bead-shaped 11, length 1.5 mm ; Coralline shoulder angle prominence, the head inserted into the anterior chest edge, tibia without pitch, base fossa does not divide the web; front, middle and hindfoot tibiodular ends protruding to the outside, it said the angle shank ( Pest) .Female spawning abdomen hypertrophy, the tail is exposed outside the coleoptera larvae body length 6.5 ~ 8.2 mm, black, body section has protruding wart hair, stoma 9 pairs.Naked pupa, orange, long 4.5 Mm, the front edge of the front chest with 10 bristles on the front edge, parallel to the “a” shape, the front edge of the back of the chest with 9 bristles scattered arrangement oval long, milk yellow, smooth, 0.8 mm long.