蔷薇三节叶蜂的生物学研究

蔷薇三节叶蜂是山东荣成地区月季的重要食叶害虫。该虫一年发生4代，世代重叠；两性或孤雌生殖；以老熟幼虫越冬。翌年5月初出现成虫；5～10月幼虫危害，10月中旬末第4代幼虫入土结茧越冬结束。本文报告该蜂的生物学特性、天敌种类及其防治方法。

Studies on biology of Arge geei Rohwer

Arge geei Rohwer is an important pest infesting Chinese rose in Rongcheng, Shandong Province. It has four generations a year and are overlapping. Arnphigenesis or parthenogenesis occurs in this species. It ovebonters with the elder larvae. Adults appear in early May of the following year. It infests plants during May to September. Larvae of the fourth generahon overwinters with the cocoons in the soil in early and mid- dle October. In this paper bionomics. species of natural enemy, and control methods to the pest are reported.