Some species of the family are present or potental phytophagous pests in agriculture and forestry . however , its taxonomy remains unsettled , which has seriously hindered the understanding of its ecology , biology , biogeography , and so further effective control 并基于陈斌( 1995 - 2003 )多年对该科昆虫的系统分类工作，对伪叶甲亚科的分类学和生物学作了部分补充研究。
2.
The insect community of lichee orchard can be divided into 4 nutrient classes , which is phytophagous insect , predacity , parasite and saprophagous . the insect community also can be divided into 7 guilds : underground pest , eating - leaf - flower - fruit pest , puncture and suck pest , bristletail , predacity , parasite and moderate insect , and be divided into 32 groups , 41 dominance species and 10 key species 荔枝园昆虫群落可划分为植食类，捕食类，寄生类，腐食类4个营养层； 7个功能集团：即地下害虫，食叶、花、果害虫，刺吸害虫，蛀干害虫，捕食类，寄生类，中性昆虫； 32个类群； 41个优势种； 10个关键物种。
3.
It is effective in controlling different phytophagous pests of field crop , ornamentals , vegetables , fruits and in controlling fire ants . to assess the potential impact of avermectins on the environment , the bioaccumulation potential of avermectin b1a , its major component , in sturgeon ( a . schrenckif ) was examined 本文对阿维菌素( avermectin ， avm )环境毒理的一部分内容进行试验研究，主体试验部分为研究进入到淡水中的阿维菌素在鲟鱼体内的生物富集和生物消除规律。
4.
In the insect community of lichee orchard , the main dominant phytophagous insects are the olethreutes leucaspis meyrick , thalassodes quadraria guen6e , conopomorpha sinensis bradley , tessaratoma papillosa ( drury ) , aceria litchii ( kiefer ) , dasineura sp . , xylebonts fornicatus eichhoff , prodenia litvara fabricius , empoasca flavescens ( fab . ) 深圳市荔枝园昆虫群落中，植食类群主要优势种为三角新小卷蛾、樟翠尺蛾、荔枝蛀蒂虫、荔枝蝽、荔枝瘿螨、荔枝叶瘿蚊、茶材小蠹、斜纹夜蛾、小绿叶蝉。
