Final diagnosis


Secondary pests

The caterpillar of Cryptoblades gnidiella can attack berries before harvest, attracted by sugar.  Here the butterfly.  Photo by P. Gros (insecte.org)
<em> Penthimia nigra </em>, Cicadellidae, secondary pest of the vine.  The insect can be completely black or brown with or without reddish spots.
Larva of <em> Philaenus spumarius </em>, meadow spittlebug, is a stinging and sucking insect that can transmit certain pathogenic bacteria.