Hoffmann, C. 2006 Distribution and sampling methods of soft-scale-insects in vineyards.. IOBC/WPRS Bulletin 29(11): 199-205.
Notes: Phenology of Parthenolecanium corni and p. persicae on grapvines in south Germany.
Hoffmann, C. 2006 Distribution and sampling methods of soft-scale-insects in vineyards.. IOBC/WPRS Bulletin 29(11): 199-205.
Notes: Phenology of Parthenolecanium corni and p. persicae on grapvines in south Germany.