Feeding behavior of the notorious invasive Mealybug, Phenacoccus solenopsis to exotic weeds using EPG
文献类型： 外文期刊
作者： Wang, Qianjin 1 ; Qi, Guojun 2 ; He, Yurong 3 ; Lyu, Lihua 2 ;
作者机构： 1.Luoyang Normal Univ, Life Sci Coll, Jujube Sci Res & Appl Ctr, Luoyang 471000, Peoples R China
2.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 510640, Peoples R China
3.South China Agr Univ, Coll Agr, Dept Entomol, Guangzhou 510642, Guangdong, Peoples R China
关键词： Phenacoccus solenopsis Tinsley; Cotton; Exotic weeds; Host preference; EPG
期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.5； 五年影响因子：1.5 ）
ISSN： 1226-8615
年卷期： 2023 年 26 卷 2 期
页码：
收录情况： SCI
摘要： The cotton mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is notorious for causing severe economic losses to a wide range of crop species. It is noteworthy that this mealybug performed different host preference and fitness within their host range. In order to determine the preference of P. solenopsis between economic plants and weeds, the feeding behavior of cotton mealybug on three widespread exotic weeds belong to Asteraceae family (Bidens pilosa L., Wedelia trilobata and Ambrosia artemisiifolia.) were determined and compared with cotton Gossypium hirsutum L. using electrical penetration graph (EPG). Compared with G. hirsutum, cotton mealybug took the shortest time for trying/detecting on leaf surface and spend the longest duration times for ingestion from phloem bundle tissues feeding on A. artemisiifolia. Results showed that A. artemisiifolia was the most adaptable host for cotton mealybug, B. pilosa and W. trilobata were less suitable ones, implying these plants vulnerable to damage by this mealybug. This consequence gave more evidence for the feeding harm of P. solenopsis and might provide a scientific basis for explain if exotic weeds play an important role in the regional dispersal, and exist as transfer host for pest divert to farmland during uncultivated season.
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