论文部分内容阅读
稻绿蝽是杂交水稻制种田抽穗扬花期的主要害虫。当制种田父母本抽穗后,成虫、若虫群集于穗部,刺伤花器或吸食谷粒浆液,造成空粒或不实粒,对制种产量影响很大。现将其形态特征、生活习性及防治措施介绍如下: ——形态特征 成虫体长12~15毫米,全体青绿色,体背色较浓而腹面色略淡,前胸背板边缘黄白色;小盾板末端超出腹部中央,其前缘有3个横列的小黄白点;卵杯状,顶端有圆盖,土黄色。若虫有5龄,初孵化时为黄红色,成长若虫为绿色,腹部各节边缘有半圆形红斑,足为红褐色。
Green rice bugs are the main pests during heading and flowering of hybrid rice system. When the system of farming parental heading, adults, nymphs clustered in the ears, stabbed flowers or inhalation of grain slurry, resulting in empty or unreal grain, a significant impact on seed production. Now the morphological characteristics, habits and prevention measures are described below: - Morphological characteristics Adult body length 12 to 15 mm, all the turquoise, body dorsal color and ventral color slightly thick, the front and back edge of the yellowish white; small Shield plate ends beyond the center of the abdomen, the front edge of the three rows of small yellow and white spots; egg cup-shaped top with a dome, khaki. Nymphs have 5 age, initial hatching yellowish red, green nymph growth, abdomen sections of the edge of a semicircular erythema, enough for the red-brown.