Aphytis
under the scale cover of armoured scales. Upon hatching the larva proceeds to feed on the scale. After reaching adulthood, the adult wasp chews a small [...] on climate, crop and armoured scale density and should always be adjusted to the particular situation. Start introduction as soon as the first armoured [...] from 20,000-50,000 per ha/release. Releases should be repeated monthly for 4 to 10 times per year. Consult a Koppert advisor or a recognized distributor of