Aphiscout
typically range from 0.75-1.5 parasitic wasps per m 2 . This is equivalent to one unit every 250-350 m 2 . The parasitic wasps will emerge within 2 weeks [...] switch to an appropriate single species product ( Aphilin , Aphipar , Aphipar-M or Ervipar ). Consult a Koppert advisor or a recognized distributor of Koppert