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棘禾草螟(Chilo hyrax Bleszynski)是蛀食芦苇茎秆的主要害虫之一,它在湖北一年发生2-3代,一般以老熟幼虫在苇茬中越冬,少数在残株中越冬。本文记述了棘禾草螟的生物学特性,并分析了影响其种群数量的主要因子。
Chilo hyrax Bleszynski is one of the main pests of the reed stalk. It occurs 2-3 generations a year in Hubei Province. It usually lays over the winter in the reed stubs, while a few overwinter in the stubble. This article describes the biological properties of Spinosriella, and analyzes the main factors that influence the population size.