缨鞘钩瓣叶蜂生物学特性研究

Study on Biological Properties of Macrophya pilotheca

缨鞘钩瓣叶蜂(Macrophya pilotheca)在浙江丽水危害小蜡(Ligustrum sinense)和金叶女贞(L.vicaryi),1 a发生1代,幼虫6龄,以老熟幼虫在土茧内越冬,2月下旬化蛹,3月中旬成虫开始羽化,卵产于叶背叶肉组织内,3月下旬幼虫孵化,4月下旬5月上旬幼虫入土结茧,5月下旬幼虫开始越夏越冬。由于成虫的羽化会因阴雨天气而延迟,故成虫羽化可持续一个月左右,造成了虫态的不整齐。成虫有取食嫩叶的习性。

Macrophya pilotheca damages Ligustrum sinense and L.vicaryi in Lishui,Zhejiang province.It has one generation a year,6 instars and overwinters with mature larva in cocoons on soil.Larvae begin to pupate in late February,emergence in middle March,lay eggs on mesophyll of the back of leaf,and eggs hatch on late March.Larvae begin mining into soil by cocoon on late April or early May,oversummer and overwinter from late May.Emergence could last one month and be inconformity because of rainy days.Adult feeds on leaflet.