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Position: Home > Articles > A method used for distinguishing between the sexes of Scotogramma trifolii Chinese Journal of Applied Entomology 2011,48 (6) 1879-1881

鉴别旋幽夜蛾雌雄蛹的方法

作  者:
赵琦;张云慧;刘怀;程登发
单  位:
中国农业科学院植物保护研究所;西南大学植物保护学院
关键词:
旋幽夜蛾;蛹;雌雄;区分
摘  要:
报道1种根据旋幽夜蛾Scotogramma trifolii Rottemberg蛹腹节的外部形态特征迅速、准确区分旋幽夜蛾蛹雌雄的方法。雌蛹第8腹节腹面中央有一纵裂缝,裂缝连接第7、第9腹节,裂缝两侧平坦,无突起,腹部末端分节不明显;雄蛹第8腹节无裂缝,在第9腹节腹面中央有一纵裂缝,裂缝两边各有一半圆状瘤状突起,腹部末端分节较为明显。这对于了解旋幽夜蛾田间性比,观察生物学特征、种群动态及开展预测预报等十分重要。
译  名:
A method used for distinguishing between the sexes of Scotogramma trifolii
作  者:
ZHAO Qi1,2 ZHANG Yun-Hui1 LIU Huai2 CHENG Deng-Fa1(1.Institute of Plant Protection,Chinese Academy of Agricultural Sciences,State Key Laboratory for Biology of Plant Disease and Insect Pests,Beijing 100193,China;2.College of Plant Protection,Southwest University,Chongqing 400715,China)
关键词:
Scotogramma trifolii,pupae,sex,identification
摘  要:
A method for quickly and accurately sexing clover cutworm(Scotogramma trifolii Rottemberg) pupae according to the morphology of the 8th and 9th abdominal segments is described.Sexing pupae is essential to determine the sex ratio and important for population dynamics research and outbreak forecasting.

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