FIG. 5. Evolution compared de la density de population larvaire de S. frugiperda et
de la mortalitE larvaire par GV, au course du temps, en prairie guyanaise a D.
swazilandensis.


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 PROCEEDINGS of the CARIBBEAN FOOD CROPS SOCIETY-VOL. XX


Nombre de larves captur6es/IOO cougs
 de filet fauchoir


 100





 50

 Mortality
 par GV %

 O-


 -15






 5





 Temps (numero de decade)

 2 0 2 4 8 12 I 32 I1 5
 20 24 28 1982 32 36 1 1983 5