论文部分内容阅读
稻蝗是水稻的大害虫之一,近年来,它的发生面积日渐扩大,危害程度日益加重,严重影响着水稻的产量。对此,已引起广大群众的高度重视。为尽快解决这一问题,第一步工作就是必须正确地对它们加以鉴别。一、稻蝗的主要形态特征稻蝗是一个属,包括着许多种类,它们的主要共同特征是:触角丝状;前胸腹板具有明显的前胸腹板突,呈圆锥形,其顶端圆形或略尖,但不具齿;中胸腹板侧叶全长较宽地分开,其中隔的宽度通常较短于其长度;前,后翅发达,在缩短的种类中,在背部也相互毗
Oxya chinensis is one of the major pests of rice. In recent years, its occurrence area has been gradually enlarged, increasing the harm degree and seriously affecting the yield of rice. In this regard, it has aroused the great attention of the general public. In order to solve this problem as soon as possible, the first step is to correctly identify them. First, the main morphological characteristics of Oxya locust Oxygen locust is a genus, including many species, their main common features are: antennae filiform; pectoral abdomen has a clear forefoot, conical, the top circle Shaped or slightly pointed, but not toothed; the lateral lobes of the mid-thoracic abdominal webs broadly spaced apart, with the width of the septum usually shorter than their length; anterior and hind wings developed, in shortened species,