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采用人工拨查法调查了越冬稻田生境内节肢动物群落。共收集到水稻害虫及其天敌13类,分别隶属于3纲9目。其中捕食性的7类,包括蜘蛛1类、昆虫5种和蜈蚣1种;害虫3类,中性昆虫3类。青翅蚁形隐翅虫、蜘蛛和红火蚁是稻田越冬害虫的主要捕食者。应用相关分析和通径分析,研究青翅蚁形隐翅虫、蜘蛛、红火蚁、害虫蛹之间相关性,剖析了三种捕食者控制害虫蛹的途径。空间格局分析结果表明,害虫蛹多为聚集分布,青翅蚁形隐翅虫均为聚集分布;应用Taylor幂法则检验和Iwaom*-m方程检验,结果表明,2008年12月10日、12月17日、12月23日和12月30日调查的害虫蛹空间格局为聚集分布,2009年1月7日、2月20日和2月27日为均匀分布;青翅蚁形隐翅虫在整个调查过程中均为聚集分布。
The artificial investigation method was used to investigate the arthropod community in overwintering paddy fields. A total of 13 types of rice pests and their natural enemies were collected, belonging to 3 classes and 9 orders respectively. Among them, there are 7 predatory species, including 1 species of spider, 5 species of insects and 1 centipede; 3 species of pests and 3 types of neutral insects. Blue-winged ants Paleoides, spiders and red imported fire ants are the predators of winter pests in paddy fields. Correlation analysis and path analysis were used to study the correlation between the blue-winged ants Anthozoa, spiders, red imported fire ants and pests and pupae. Three predatory ways to control the pest pupae were analyzed. The results of spatial pattern analysis showed that most of pest pupae were aggregated and distributed, and the average value of Paecilomyces copepodalis was clustered. The Taylor power law test and Iwaom * -m equation test were used to test the results. The results showed that on December 10, December 2008 The patterns of spatial distribution of pest pupae were clustered and distributed on January 17, December 23 and December 30, and were uniformly distributed on January 7, February 20 and February 27, 2009; The entire investigation process are gathered distribution.