黑缘红瓢虫生物学特性的研究

Study on Bionomics of Chilocorns Rubidus Hope

本文系统地观察和研究了黑缘红瓢虫的形态特征、生活史、生活习性等生物学特性。研究结果表明 ,黑缘红瓢虫在本地区一年发生一代 ,以成虫在杂草、石缝中等处越冬 ,是朝鲜球坚蚧等多种蚧虫的重要天敌之一。主要分布在桃树、梅树等树上 ,对朝鲜球坚蚧等有较强的控制作用。黑缘红瓢虫主要以幼虫捕食猎物为主 。

This paper showed Chilocorns rubidus Hope takes one year to complete a generation in the region of Fengyang.Overwintering as adult in weed and seams and it is a important natural evemy of Didesmococcus Koreanus.It mainly exist in peach and plum trees and inhibit the occurrence of Didesmococcus Koreanus efficiently.Its larvae is the main preyer of Didesmococcus Koreanus.Its adults reproduce in next year.and diffuse.