南阳地区桑瘿蚊发生规律与防治技术的研究

STUDIES ON THE OCCURRENCE REGULARITY AND CONTROL TECHNIQUE OF MULBERRY GALL-MIDGE IN NANYANG PREFECTURE

桑瘿蚊（DiplosismoricolaMatsumura）在河南省南阳地区一年发生四代，世代重叠，危害日益严重，通过对其越冬休眠体化蛹进度的淘上观察以及田间“黄油板”粘着法诱捕成虫调查羽化盛期，提出了深耕桑园的农业防治措施和其它防治方法。

Mulberry gall -midge (Diposis moricltla Matsumura ) has four overlapping generations a year in Nanyang prefecture of Henan province and its harm to mulberry is becomingserious in recent years. Accordingto the investigation on the pupation progress of the overwintered dormanted larvae with the method of washing soil and on the emergihg stage of thd adults by trapping with grease boards,it is proposed to control the pest by ploughing mulberry field deep and by other methods.