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. 2012 Oct 24;7(10):e47689. doi: 10.1371/journal.pone.0047689

Figure 2. Trade volume and the number of interceptions.

Figure 2

The relationship between the Trade Volume to be inspected (TV) and the number of alien insect interceptions at Europe’s borders on agricultural imports (2003–2007), by A) country of origin (r = 0.02, n = 146, p = 0.810), B) commodity type (r = −0.01, n = 126, p = 0.910), C) alien insect species (r = 0.23, n = 116, p = 0.013) and D) European importing countries (positive correlation, r = 0.73, n = 28, p = 0.00001). Only the top 25 data points by TV and number of interceptions are displayed. Notes: B) +see Table S5 for full FAO commodity names. C) 1 =  Cacoecimorpha pronubana, 2 = Pheletes californicus, 3 = Tetranychus evansi, 4 = Spodoptera eridania, 5 = Frankliniella occidentalis, 6 = Unaspis citri, 7 = Opogona sacchari, 8 = Rhynchophorus palmarum, 9 = Metamasius hemipterus, 10 = Liriomyza trifolii, 11 = Anastrepha fraterculus, 12 = Maconellicoccus hirsutus, 13 = Aleurocanthus woglumi (see Table S3 for taxonomy). D) 1 = Luxembourg, 2 = Latvia, 3 = Estonia, 4 = Slovakia, 5 = Malta, 6 = Cyprus, 7 = Lithuania, 8 = Hungary, 9 = Slovenia, 10 = Bulgaria, 11 = Austria, 12 = Finland, 13 = Romania, 14 = Poland.