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Classical and augmentative biological control against ... - IOBC-WPRS

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Chapter 3<br />

0,25<br />

4<br />

0,20<br />

% dedicated to ClBC<br />

0,15<br />

0,10<br />

8<br />

6<br />

2<br />

3<br />

0,05<br />

0,00<br />

13<br />

1<br />

12<br />

9 10<br />

11 7<br />

5<br />

0 100 200 300 400 500 600 700 800 900<br />

number of publications [1999 ; 2008]<br />

Figure 9: Relationships between the number of publications associated to the main pests <strong>and</strong><br />

the relative percentage of ClBC related studies.<br />

Pest species are ranked in the decreasing order in number of publications : 1 : Phyllocnistis citrella ; 2 :<br />

Mononychellus tanajoa ; 3 : Toxoptera citricida ; 4 : Homalodisca vitripennis ; 5 : Lymantria dispar ; 6 :<br />

Pseudococcus viburni ; 7 : Solenopsis invicta ; 8 : Aleurocanthus spiniferus ; 9 : Bactrocera oleae ; 10 : Chilo<br />

partellus ; 11 : Diabrotica virgifera virgifera ; 12 : Diatraea saccharalis ; 13 : Maconellicoccus hirsutus.<br />

Specialist <strong>and</strong> generalist pests are respectively indicated by white <strong>and</strong> dark diamonds.<br />

29

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