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(一)棉盲蝽在棉田内的空间分布型,成虫属Poisson分布,而若虫的分布型则随棉田内虫口密度的高低而异,当每株平均虫口在0.22头以下时,一般呈Poisson分布,每株平均虫口达0.28头以上时,则呈核心分布与负二项分布。 (二)根据绿盲蝽不同龄期若虫的分布曲线科率比较,在初龄与高龄若虫之间其曲线斜率相同,共同K值为0.4836。 (三)文中对影响棉盲蝽分布的因素亦进行了分析,结果指出,棉盲蝽在棉田内的分布方式,除与成、若虫的活动习性有关外,在环境因素方面则与不同栽培类型的棉田内微气候因素的差异有关。
(1) The spatial distribution of Lygus stink bug in cotton field is Poisson, but the distribution of Nystagmus larvae varies with the insect population density in cotton field. When the average population per insect is below 0.22, Poisson distribution , The average per insect population of 0.28 or more, then the core distribution and negative binomial distribution. (B) According to the distribution ratio of green bugs nymphs in different age groups, the curve slope of the nymphs was the same between the first instar and the older nymphs, and the common K value was 0.4836. (C) The paper also analyzes the factors that affect the distribution of cotton bug, the results showed that the cotton lace bug in the distribution of cotton fields, in addition to the activity of nymphs and nymphs, the environmental factors are different with different types of cultivation Of cotton in the microclimate factors related to differences.