Abstract
The bacterium Xylella fastidiosa, which causes several diseases in crops of economic interest, has a complex lifestyle. To be successfully transmitted, in addition to colonizing the host plant xylem it must also colonize the foregut of the insect vectors, which are sharpshooters of the subfamily Cicadellinae (Hemiptera: Cicadellidae) and superfamily Cercopoidea. Colonization in both is re…