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油茶刺绵蚧(Metaceronema japonica Mask)是油茶林的特大害虫。刺绵蚧在自然界的天敌很多,据我们初步调查有43种,其中有几种优势种,分别介绍如下: 黑缘红瓢虫:(Chilocorus rubidus Hope)是油茶刺绵蚧猖獗期的主要天敌优势种。据在517亩油茶林的调查,每株油茶树最多的有1451.5头,最少384.7头,平均有806.3头,占总天敌数的89.7—96.5％。据测定:一头成虫平均一年能捕食母蚧47.95头、卵块15.96只、
Metaceronema japonica Mask is a pest of Camellia oleifera. Acacia melanchydissensis has many natural enemies in nature. According to our preliminary survey, there are 43 species of which there are several dominant species, which are described as follows: Chilocorus rubidus Hope is the predominant predominant predator in the rampant period of Camellia sinensis Species. According to a survey of 517 mu of Camellia oleifera, there are 1451.5 heads per plant, with a minimum of 384.7 heads, an average of 806.3 heads, accounting for 89.7-96.5% of the total natural enemies. It is measured: an adult can predate an average of 47.95 times a day, 15.96 eggs,