Final diagnosis


Hyalesthes obsoletus

<em><b>Hyalesthes obsoletus</em></b> adult, vermilion red eyes, black spot on the lower quarter of the transparent wing, black patch.
The larva of <em><b>Hyalesthes obsoletus</b></em> is whitish with a tuft of waxy hair at the end of the abdomen. Photo of P. Gros (insecte.org)
Some bunches are completely dried out and the leaves show a reddish color on a red variety. Symptoms of blackwood, <i> <b> Candidatus Phytoplasma solani </b> </i>