【Objective】Frankliniella occidentalis( Pergande) has been a new invasive alien species in Xinjiang region in recent years,crops such as vegetables are badly influenced. The study aims to have some idea of the distribution of western flower thrips in areas of protected vegetables- growing fields,monitor the occurrence and harm of these plants and provide guidance for comprehensive control. 【Method】The occurrence situation and the numbers of the thrips in solar greenhouse in different spaces of cucumbers in B...