Bernd Hoffmann, Burkhard Bauer, Christian Bauer, Hans-Joachim Bätza, Martin Beer, Peter-Henning Clausen, Martin Geier, Jörn M. Gethmann, Ellen Kiel, Gabriele Liebisch, Arndt Liebisch, Heinz Mehlhorn, Günter A. Schaub, Doreen Werner, and Franz J. Conraths
Author affiliations: Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany (B. Hoffmann, M. Beer); Free University of Berlin, Berlin, Germany (B. Bauer, P.-H. Clausen); Justus Liebig University Giessen, Giessen, Germany (C. Bauer); Federal Ministry for Food, Agriculture and Consumer Protection, Bonn, Germany (H.-J. Bätza); University of Regensburg, Regensburg, Germany (M. Geier); Friedrich-Loeffler-Institut, Wusterhausen, Germany (J.M. Gethmann, F.J. Conraths); Carl von Ossietzky University Oldenburg, Oldenburg, Germany (E. Kiel); Zecklab, Burgwedel, Germany (G. Liebisch, A. Liebisch); Heinrich-Heine-University of Düsseldorf, Düsseldorf, Germany (H. Mehlhorn); Ruhr University, Bochum, Germany (G.A. Schaub); Leibniz-Center for Agricultural Landscape Research e. V, Müncheberg, Germany (D. Werner)
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Figure 2

Figure 2. Monthly catches of midges of the Culicoides obsoletus group (black), C. pulicaris group (red), and other Culicoides spp. (blue) captured with 89 black light traps in Germany during 7 consecutive nights in the first week of each month during the study period (April 2007–May 2008). Batches consisting of <50 female biting midges were tested for bluetongue virus (BTV) by real-time reverse transcription–PCR. The total number of batches (green) and the number of batches positive for BTV (gold) are shown.
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