Agrile du frêne - Photos

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Figures 1 : Ed Czerwinski, Ministère des Richesses naturelles de l'Ontario

Figure 2: Photo : courtoisie du département de l'Agriculture du Michigan

Figure 3: Photo : courtoisie du Michigan State University

Figures 4 & 5: ACIA

Figure 6: United States Department of Agriculture

Figure 7: David Cappaert, Michigan State University

Figure 8: David Cappaert, Michigan State University

Figure 9: Service canadien des forêts

Figure 10: Troy Kimoto, ACIA

Figure 11: Jerry Dowding, ACIA

Figure 12: Ches Caister, ACIA

Figure 13: Troy Kimoto, ACIA

Figure 14: ACIA

Figures 15, 16 & 17: ACIA

Figure 18: ACIA

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