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Position: Home > Articles > Biologic Observations on Trachys aegualipennis Des. et Vil Journal of Anhui Agricultural Sciences 1993 (4) 349-351

大豆食叶害虫潜叶吉丁的初步观察

作  者:
夏槃;纪淑仁
单  位:
安徽省农科院植保研究所
关键词:
大豆害虫;潜叶吉丁;形态特征
摘  要:
大豆潜叶吉丁是大豆上新发现的一种食叶害虫。成虫取食叶片,幼虫潜入叶片组织取食叶肉,老熟幼虫在叶片内化蛹。成虫体长2.63~3.23毫米,宽1.80毫米,体扁平,黑色有光泽,鞘翅上布有白色茸毛的一条“y”形斜带和二条波纹状横带。卵长0.91~1.03毫米,宽0.59~0.69毫米,扁椭圆形。老熟幼虫体长6.60~7.33毫米,宽1.26~1.55毫米,扁平楔形,乳白色,各体节背板与腹板均有几丁质化黑褐色斑纹。蛹长3.16~3.69毫米,宽1.72~2.16毫米,扁椭圆形。一年发生2~3代。
译  名:
Biologic Observations on Trachys aegualipennis Des. et Vil
作  者:
Xia Pan,Ji Shuren (Plant Protection Institute,Anhui Academy of Agricultural Sciences ,Hefei 230031).
关键词:
Soybean,Trachys aegualipennis Des. et Vil. ,Biolgical characteristics
摘  要:
Trachys aegualipennis Des. et Vil. is a newlydiscovered insect pest infesting soybean. The adults feed on soybean leaves. The larvae mine soybean leaves and pupate in mining traces. The adult is flat,blackish and shining,with length 2. 63~3. 23mm and width 1. 80mm. The wings have a Y—shaped oblique streak,with whitish setae,and two sinuate transverse streaks. The egg,flat and oblong oval,is 0. 91~ 1. 03mm long and 0. 59~0. 69mm wide. The mature larva,length 6. 60 ~7. 33mm, width 1. 26~1. 55mm,is flat, wedge — shaped and milky white. Tergal and sternal marks are blackish brown, chitinized. The pupa,length 3.16~3. 69mm,width 1. 72~2. 16mm,is flat,oblong. This species has two to three generations a vear.

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