Zone de Texte: EPPO Conference, Falmouth, 5-7 October 2005 Zone de Texte: But there are limitations to the analysis: Data not collected at random - Survey efforts probably differed between countries, - Limited to targeted commodities, - Often limited to pests of concern,… Zone de Texte: Data not statistically robust - Only positive records (no negative) Zone de Texte: However, comparisons are made possible between: Intercepted vs. Established/ Not Established Not intercepted vs. Established

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