基于SOM方法的粉蚧在中国定殖风险评估  

Assessment of mealybug establishment risk in China based on a self-organizing map method

作　　者：谷雨 汤敬诚 梁志扬 王佳楠 GU Yu;TANG Jingcheng;LIANG Zhiyang;WANG Jianan(School of Tropical Agriculture and Forestry,Hainan University,Haikou,Hainan 570228,China;Key Laboratory of GreenPrevention and Control of Tropical Plant Diseases and Pests,Ministry of Education,Hainan University,Haikou,Hainan 570228,China;Danzhou Invasive Species Observation and Research Station of Hainan Province,Hainan University,Danzhou,Hainan 571799,China)

机构地区：[1]海南大学热带农林学院,海南海口570228 [2]海南大学热带农林生物灾害绿色防控教育部重点实验室,海南海口570228 [3]海南大学儋州入侵生物海南省野外科学观测研究站,海南儋州571799

出　　处：《生物安全学报(中英文)》2025年第1期68-80,共13页Journal of biosafety

基　　金：海南省芒果产业技术体系(HNARS-07)专项资金。

摘　　要：【目的】粉蚧是具有较强繁殖和扩散能力的生物类群,严重危害杧果、荔枝等果树和其他经济作物,有必要加强外来有害粉蚧入侵风险评估。本研究采用自组织映射地图(self-organization map,SOM)完全定量模型,评估了粉蚧在世界各国,特别是我国的定殖可能性,筛选出潜在入侵粉蚧物种,从而把粉蚧科物种数量降低到一个可以管理的水平,为我国粉蚧早期预警、检疫措施及综合防控提供可靠的理论依据。【方法】本研究整理出109种粉蚧在世界176个国家的地理分布0/1矩阵,利用SOM算法进行粉蚧科具有相似集合体的国家聚类分析。【结果】176个国家被聚成49类,具有较相似的粉蚧科物种集合体的国家聚为一类,地理位置上相邻或接近的国家聚为一类。进一步筛选出尚未在中国定殖的粉蚧科物种的SOM指数并对其进行排序,得到定殖风险排名名单。重点评估截获秀粉蚧、李比利氏灰粉蚧和葡萄绵粉蚧在包括我国在内的尚未分布国家的定殖风险。上述3种粉蚧在我国的定殖风险排名分别为第1、第2和第6名。【结论】可造成严重经济损失的截获秀粉蚧、李比利氏灰粉蚧和葡萄绵粉蚧在我国具有很高的定殖可能性,建议加强有针对性的口岸和产地检疫及综合防控,防止这些危险性粉蚧的传入,从而促进我国水果贸易的健康发展。【Aim】The mealybug(Pseudococcidae)is a biological group with strong reproductive and dispersal capacities,posing significant threat to mangoes and litchis among fruits and cash crops.Therefore,strengthening the risk assessment of alien mealybug invasion is necessary.In this study,we used a self-organizing map(SOM),a comprehensive quantitative model,to assess the global establishment risk,particularly in China.We screened out potentially invasive mealybug species to reduce the number of species to a manageable level,providing a reliable theoretical basis for early warning,quarantine measures,comprehensive prevention,and mealybug control in China.【Method】We summarized and constructed a geographically absent/present matrix including 109 Pseudococcidae species in 176 countries globally.Next,we performed a national cluster analysis using the SOM algorithm,based on similarities in species assemblages.【Result】We clustered 176 countries into 49 categories,grouping countries with similar species assemblages and geographically adjacent countries together.We further screened and ranked the SOM indices of the Pseudococcidae species not yet established in China,determining a ranking list of the establishment risks.We evaluated the establishment risks of Paracoccus interceptus,Dysmicoccus lepelleyi,and Planococcus ficus in countries where they are not yet present,including China.Our results demonstrated that the risks of these three mealybugs ranked first,second,and sixth in China,respectively.【Conclusion】Our findings indicated that Paracoccus interceptus,D.lepelleyi,and Planococcus ficus,which can cause serious economic losses,display high establishment potential in China.Therefore,we recommend strengthening the original area,port quarantine inspections,and implementing integrated management strategies to prevent the introduction of these harmful mealybugs,ensuring the healthy development of fruit trade in China.

关 键 词：粉蚧 果树 自组织映射地图 定殖 

分 类 号：S433.3[农业科学—农业昆虫与害虫防治]