茶树新害虫日本条螽为害习性

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摘要：日本条螽主要为害茶树嫩梢，啃食后致使梢头掉落或垂下，最后使嫩梢呈枯焦状；当无嫩梢可食时，即啃食叶片，形成长条形或不规则型孔洞。全年中成虫发生盛期在8—9月。为害较重的茶园，枯梢数量达每米茶行6～31个。

关键词：日本条螽；茶树；为害；习性

中图分类号：S571.1；S433.2                                    文献标识码：A                                     文章编号：1000－3150（2024）09-34-3

The Damage Habit of Ducetia japonica Thunberg，

a New Insect Pest on Tea Plants

TANG Meijun， ZHOU Xiaogui， ZHANG Xinxin， JIANG Hongxin， GUO Huawei， XIAO Qiang

Tea Research Institute， Chinese Academy of Agricultural Sciences， Hangzhou 310008， China

Abstract： Ducetia japonica feeds primarily on tea shoots， causing the affected shoots to droopor drop and eventually forming scorched shoots. In the absence of shoots， they feed on leaves and create long or irregular holes. The peak period for adult insects is fromo August to September. Tea garden with severe damage have a number of dead shoots ranging from 6 to 31 per meter of tea rows.

Keywords： Ducetia japonica， tea plant， damage， habit

2021年以来每到夏秋季，杭州市西湖龙井产区的茶园中经常会看到茶树嫩梢枯焦的现象。（剩余1649字）