[Natural infectivity of Xylella fastidiosa Wells et al. in sharpshooters (Hemiptera: Cicadellidae) from coffee plantations of Parana, Brazil].

Xylella fastidiosa Wells et al., a gram-negative and xylem limited bacterium, causes significative economic on several crops, such as the leaf scorch in coffee. It is transmitted by xylem feeding insects and four sharpshooters species have been reported as vectors of X.