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棉铃虫HelicoverpaarmigeraHubner是我国棉区的一种重要害虫。随着综合防治的开展，需要对其基本生物学特性有更深刻的了解，关于棉铃虫的生物学、生理学和生态学等特性已有许多报道。本文在前人研究的基础上，对棉铃虫在玉米田的生物学特性作进一步观察，现报道如下。1主要生
Helicoverpa armigera Hubner is an important insect pest in cotton area in China. With the development of integrated prevention and control, it needs to have a deeper understanding of its basic biological characteristics. There are many reports on the biological, physiological and ecological characteristics of the cotton bollworm. Based on the previous studies, the paper further observed the biological characteristics of cotton bollworm in corn field and is reported as follows. 1 main students