Abstract
The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a major pest of economically important crops worldwide. Both the United Kingdom (UK) and Finland hold Protected Zone status against this invasive pest. As a result B. tabaci entering these countries on plants and plant produce is subjected to a policy of eradication. The impact of B. tabaci entering, and becoming established, is that it is an effective vector of many plant viruses that are not currently found in the protected zones. The Mediterranean species is the most commonly intercepted species of B. tabaci entering both the UK and Finland. The implications of maintaining Protected Zone status are discussed.
Highlights
The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a major pest of economically important crops worldwide [1]
Bemisia tabaci is listed in the European Union (EU) Plant Health Directive 2000/29/EC under
The United Kingdom (UK) and Finland are currently two member states that remain free of all populations of B. tabaci and maintain Protected Zone (PZ) status against this pest [14,15,16]
Summary
The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a major pest of economically important crops worldwide [1]. Bemisia tabaci damages crops by feeding on phloem sap and the large amounts of sticky honeydew produced can lower the rate of leaf photosynthesis. This whitefly is a vector of many plant viruses [2,3,4]. Insects 2015, 6 populations with very different biological characteristics, including invasiveness, insecticide resistance profile, vector competence, and host ranges [9]. The damaging MEAM1 is an aggressive colonizer and it is an effective vector of viruses, whereas the Mediterranean species characteristically shows strong resistance to novel insecticides [10,12,13]
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