Final diagnosis


Drosophila suzukii (spotted wing drosophila)

Laying of several eggs on mistletoe berry, fruit present in winter and thus ensuring the permanent presence of <em> D. suzukii </em> during this season.
Traces of <em> Drososphila suzukii </em> laying on a grape berry. The eggs are deposited under the film, the visible filaments being the breathing tubes of the eggs. Photo Delphine Binet
The pupa of <em> Drosophila suzukii </em> is characterized by the winged stigmas.
Male and female adults of <i> <b> Drosophila suzukii </b> </i> (emerging pest) not to be confused with those of other fruit flies associated with acid rot.