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苹果害螨主要包括山楂红蜘蛛(Tetranychus viennsis)、苹果全爪螨(Panonychus ulmi)、苜蓿苔螨(Bryobia redikorzeui)3种,属蛛形纲、蜱螨目,分属叶螨科和苔螨科.3种害螨发生的主次种类在不同时期有所变化,我市目前以山楂红蜘蛛分布最广,为害较重,苹果全爪螨发生及为害程度亦有逐年加重的趋势,苜蓿苔螨数量逐年减少,仅局部地区发生.依据我所近几年对山楂红蜘蛛和苹果全爪螨的系统调查研究和防治试验、示范结果本文就两种苹果害螨的有关生物学及有效杀螨剂的利用问题提出如下浅见,供商榷.
Apple pests include 3 species of Tetranychus viennsis, Panonychus ulmi and Bryobia redikorzeui, belonging to the order Arachnida, Acarina, belonging to the family Tetranychidae and Moss. The main types of pest mites species in different periods have changed, the city currently hawthorn spider most widely distributed, more serious damage, the occurrence and degree of harm apple mites also have a tendency to increase year by year, the number of alfalfa moss per year Reduce, only in some areas.According to my recent years on the hawthorn spider mites and apple holm mites system research and prevention and control tests, the demonstration results in this paper, two kinds of apple-related mites pests and the use of effective acaricides The problem is as follows, for discussion.