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Relative abundance of composite insect pests infestation led by white fly, Bemisia tabaci on the sunflower plant Helianthus annuus L.

Mausam Kumari*
University Department of Zoology, B.N.Mandal University, Madhepura, Bihar, India
Received : 08th January 2020 ; Revised : 18th February 2020

Abstract : In addition to the common sunflower pest, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) it has been observed that several other insects also attack this host plant such as Empoasca spp. (Lepidoptera:Noctuidae), Thysanoplusia orichalce (Lepidoptera:Noctuidae), Helicoverpa armigera (Lepidoptera:Noctuidae) Nezara viridula (Heteroptera:Pentatomidae) thus reflecting composite pest infestation. These insects are taxonomically represented by the Hemipterans, Lapidopteran and Heteropterans. The reason of such composite insect pest infestation is non else
than availability of variety of food resource in the sunflower plant palatable to these insects for their survival. In the present article, standard statistical tools like Relative Abundance % of all the members of insect pest complex causing composite infestation has been statistically computed from the random sampling raw data of above five pests including
Bemisia tabaci. The results are very significant and meaningful suggestive of several singular and plural pest protection strategies for sunflower plant related to the differential degree of insect pest attack on the sunflower.

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