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苹果绵蚜Eriosoma lanigerum(Hausm是国内外的重要检疫对象之一。我国仅分布于山东半岛、辽宁的旅大地区和云南的昆明地区,并多已基本得到控制,但近年来,苹果绵蚜在西藏苹果主要产区扩散迅速,为害严重,据1984年西藏林科所初步调查,受害减产达300万斤,约占全区苹果总产的三分之一,损失产值150万元以上。 苹果绵蚜在西藏最早由自治区农科院梁玉璞于1960年6月3日在拉萨罗布林卡夏宫果园的海棠和苹果树上发现。据他当时考
Eriosoma lanigerum is one of the most important quarantine objects in China and abroad.Our country is only distributed in Shandong Peninsula, Liaoning Province’s Luda area and Yunnan’s Kunming area, and has basically been controlled. However, in recent years, According to a preliminary investigation conducted by the Tibet Forestry Branch in 1984, the yield reduction of the affected area hit 3 million jin, accounting for about one-third of the total output of the region’s apple crop, with an output value of over 1.5 million yuan. Aphid in Tibet was first discovered by the autonomous region Academy of Agricultural Sciences Liang Yupu June 3, 1960 in Norbulingka, Norbulingzha Kasha orchard apple tree and found that he was