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Contains
Metaphycus helvolus as adults. Unit: 25 in 30ml tube. Target Pest
For soft scale insects, particularly Saisettia coffeae and Coccus hesperidum which are the most common scale pests in protected ornamental crops. Instructions » | Release in the morning or evening. | » | Release amongst infested plants. |
Introduction Rates
Release 5 per m2 fortnightly for two or three releases or until established. Conditions
Prefers sunny conditions and temperatures above 25°C. Use between 22°C and 29°C. Storage
» Use on day of receipt. Do not store. Technical Information
Metaphycus helvolus is a parasitic wasp 1-2mm in length. The yellow females attack young soft scales once they have settled to start feeding. They can lay 5-10 eggs per day and kill many more by host feeding. A few weeks after release a light stripe is visible in the centre of the scale. Parasitised scales appear dark and flat. A circular hole is cut in the scale at the end of incubation from which the adult emerges.
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