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咖啡盔蚧(Saissetia coffeae Walker属于半翅目蚧科)既为害小粒种咖啡也为害中粒种咖啡(Coffea canephora).除咖啡外还有多种寄主.幼虫和成虫吮吸植株汁液,致使株体衰弱.幼虫黄色或绿褐色,虫体呈扁平形;中期背面有一个黄色的H形标记;成龄时标记消失,代之以深褐色的明显突起.据记载,天敌为两种蚜小蜂、一种跳小蜂、两种廮蚊、一种草蛉(蚜狮)、一种瓢虫和膜翅目的几种等.1987年,印度卡纳塔克地区在未施杀虫剂小区从中粒种咖啡受
The coffee helmet scale (Saissetia coffeae Walker belongs to the family Hemiptera) is both a coffea and a coffea canephora. In addition to coffee, there are a number of hosts that larvae and adults suck the plant juice and cause the plant to weaken Larvae yellow or green-brown, the body was flat-shaped; the middle of the back of a yellow H-shaped mark; when age mark disappears, replaced by a dark brown obvious prominence.According to records, the natural enemies of two kinds of aphids wasps, a Jumping bee, two mosquitoes, a kind of grasshopper (aphids lion), a ladybug and Hymenoptera a few, etc. In 1987, India’s Karnataka region in the non-application of pesticide community from the seed coffee By