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蚜虫为我省小麦、油菜等多种作物的主要害虫之一,为了便于研究和防治,现将昆明主要蚜虫的分类检索介绍于后,供参考。 1.前翅中脉不分岔,下唇端甚钝。……(虫略)对照前翅中脉分岔一次,下唇矛头状体略扁园,体色紫黑,为害梨苹树干,密集成层……Lachnus Pyri B.梨大蚜 2.喙极长,比体长甚,触角被有细短毛……(虫略)对照喙的长度正常,触角具粗大毛,往往相当长……3
Aphids for wheat, rapeseed and other crops in our province one of the major pests, in order to facilitate the research and prevention and control, now the main aphids in Kunming classification search introduced for reference. 1. Forewing midrib does not bifurcate, blunt lip. ... ... (insects omitted) bifurcation of the control wing midrib once, lower lip spear head body slightly flat park, body color purple, Pear apple tree trunk, dense stratification ... ... Lachnus Pyri B. pear aphids 2. Beak very long, Very long than the body length, antennae are short and short hairs ... ... (insects slightly) control the length of the beak normal, tentacles with thick hair, often quite long ...... 3