Aphytis
the field. Release more doses in the areas of the field where the scales are present. Release early in the morning or late in the afternoon. Dosage The dosage [...] small round hole in the scale cover and leaves. Aphytis melinus also exerts control by predation on its host (host feeding). Visual effect In parasitized scales [...] introduction as soon as the first armoured scales are detected in the crop. Introduction rates in outdoor crops typically range from 20,000-50,000 per ha/release