摘要
杨皱背叶蝉Rhytidodus poplara Li et Ya.是危害杨树的新害虫。首次记述其形态特征、生物学特性、发生规律及天敌种类。在山东商河1年发生3代,以成虫在地面落叶和杂草中越冬。翌年2月中旬开始出蜇,在枝干上补充营养、交尾,在叶柄上产卵。产卵量113～361枚,卵历期10～23d,若虫历期17～43d。成虫寿命7～69d,羽化后5～12d开始产卵,主要在下午至傍晚前后,多产于叶柄端部的卵槽内。寄生性天敌有寄生若虫的闫氏单爪螯蜂Anteonyani和寄生卵的缨小蜂Anagrussp.,对叶蝉种群控制作用明显。
Rhytidodus poplara Li et Yan is a new insect pest on poplar.The morphology,biology and occurrence and its natural enemies were introduced.It has three generations a year in Shanghe,Shangdong Province and overwinters as adult in defoliation and weeds.It comes to feed on poplar in middle February,then mates and lays eggs on leafstalk.The fecundity per female is 113～361 eggs.The egg stage lasts for 10～23 days and the larval for 17～43 days.The adult life-span is 7～69 days.The female lays eggs in 5～12 days after emergence,usually from the afternoon to evening.The eggs were in the leafstalk.The important natural enemies includes Anteon yani and Anagrus sp.
出处
《昆虫知识》
CSCD
北大核心
2008年第6期919-925,F0002,共8页
Entomological Knowledge
基金
山东省济南市青年科技明星计划项目
关键词
杨皱背叶蝉
生活史
生活习性
天敌
杨树
Rhytidodus poplara,life history,life habits,natral enemies,poplar.
