Biopar
Application Distribute the material in heaps near to the places where the flies pupate and cover with 5-10 cm of straw Make sure the material is distributed [...] When the adult parasitic wasps emerge from the pupal shells, they will start searching for fly pupae to parasitize. After parasitism, wasps of the new [...] after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature 10-15°C/50-59°F. Storage conditions In the dark.