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从一八四三年桑达尔斯(Saunders)根据印度所得的标本,对棉紅鈴虫(Pectinophora gossypiella Saund.)作了科学的記載后,百余年来,这一害虫的传播已扩及到世界各主要产棉区域,其分布北界濒临于北緯40度左右。到現在为止,仅苏联、匈牙利、保加利亚、罗馬尼亚及部分南非国家尚未感染紅鈴虫为害。我国由于棉区分布广垠,亦还保存有一部分产棉区未遭受紅鈴虫的侵染。紅鈴虫主要借棉子调运而传播。从历史上存
From the scientific record of Pectinophora gossypiella Saund. Collected by Saunders in 1843 on the basis of the specimens obtained from India, the pest spread to the world for over a hundred years The main cotton-producing regions, the distribution of the northern boundary is approaching 40 degrees north latitude. So far, only the Soviet Union, Hungary, Bulgaria, Romania and some South African countries have not been infected with Helicoverpa armigera. Due to the vast area of cotton in our country, some cotton-producing areas have not been affected by pink bollworm. Red bollworm mainly by cotton transport and spread. Save from history