摘要
龟蜡蚧CeroplastesfloridensisComstock是一种广为分布而又缺少研究的害虫;近年随着果树生产的发展和种苗的大量调运,传播及危害日趋严重,个别果园业已成灾,尤以疏于管理的老果园受害为重。据1991~1993年观察该虫在滇中地区主要危害苹果和柿树,年生一代,以雌成虫越冬,未见雄虫。雌虫平均卵量为517,平均卵期为16.3天,初孵若虫涌散盛期为5月中旬,主要天敌是瓢虫和寄生蜂,寄生率为17.1%。
This paper reported the and bionomics etc. occurence of Ceroplastesfloridensis Comstock in Kunming region of Yunnan Province. It harms mainly applesand persimmones.The old orchards of extensive management were hanned seriously. According to the observations from 1991~1993.Ceroplastes floridensis Comstock ap-peared one generation a year and overwintered with the female adults.The male scale wasn' t found.The average egg-laying of the female adult was 517 grains and the aver-age egg stage was 16.3 days.The prime hatched nymphae proliferated in themiddle ofmay.Its main natural enemies such as ladybag and parasitic wasp were collected.
出处
《云南农业大学学报》
CAS
CSCD
1994年第3期137-140,共4页
Journal of Yunnan Agricultural University
基金
云南省科委基金
关键词
龟蜡蚧
生物学
天敌
害虫
Ceroplastes floridensis Comstock
Nympha
Natural enemy